Home / 768,030.80-1,152,046.20-556,523.60

Finding the Fourth Proportional to 768,030.80, 1,152,046.20 and 556,523.60

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Solution

The fourth proportional to 768,030.80, 1,152,046.20 and 556,523.60 is: 834,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,030.80 : 1,152,046.20 = 556,523.60 : x
  2. Step 2: Convert to fraction form
    768,030.80/1,152,046.20 = 556,523.60/x
  3. Step 3: Cross multiply
    768,030.80x = 1,152,046.20 × 556,523.60
  4. Step 4: Simplify right side
    768,030.80x = 641,140,898,590.32
  5. Step 5: Solve for x
    x = 641,140,898,590.32/768,030.80
  6. Step 6: Final answer
    x = 834,785.40

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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.