Home / 913,426.20-1,370,139.30-441,034.20

Finding the Fourth Proportional to 913,426.20, 1,370,139.30 and 441,034.20

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Solution

The fourth proportional to 913,426.20, 1,370,139.30 and 441,034.20 is: 661,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,426.20 : 1,370,139.30 = 441,034.20 : x
  2. Step 2: Convert to fraction form
    913,426.20/1,370,139.30 = 441,034.20/x
  3. Step 3: Cross multiply
    913,426.20x = 1,370,139.30 × 441,034.20
  4. Step 4: Simplify right side
    913,426.20x = 604,278,290,064.06
  5. Step 5: Solve for x
    x = 604,278,290,064.06/913,426.20
  6. Step 6: Final answer
    x = 661,551.30

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Half scale
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Double scale
Find fourth proportional to 913,427.20, 1,370,140.80 and 441,035.20
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.