Home / 773,856.30-1,160,784.45-442,080.30

Finding the Fourth Proportional to 773,856.30, 1,160,784.45 and 442,080.30

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Solution

The fourth proportional to 773,856.30, 1,160,784.45 and 442,080.30 is: 663,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,856.30 : 1,160,784.45 = 442,080.30 : x
  2. Step 2: Convert to fraction form
    773,856.30/1,160,784.45 = 442,080.30/x
  3. Step 3: Cross multiply
    773,856.30x = 1,160,784.45 × 442,080.30
  4. Step 4: Simplify right side
    773,856.30x = 513,159,937,891.34
  5. Step 5: Solve for x
    x = 513,159,937,891.34/773,856.30
  6. Step 6: Final answer
    x = 663,120.45

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Half scale
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Double scale
Find fourth proportional to 773,857.30, 1,160,785.95 and 442,081.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.