Home / 794,515.20-1,191,772.80-654,547.20

Finding the Fourth Proportional to 794,515.20, 1,191,772.80 and 654,547.20

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Solution

The fourth proportional to 794,515.20, 1,191,772.80 and 654,547.20 is: 981,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,515.20 : 1,191,772.80 = 654,547.20 : x
  2. Step 2: Convert to fraction form
    794,515.20/1,191,772.80 = 654,547.20/x
  3. Step 3: Cross multiply
    794,515.20x = 1,191,772.80 × 654,547.20
  4. Step 4: Simplify right side
    794,515.20x = 780,071,549,276.16
  5. Step 5: Solve for x
    x = 780,071,549,276.16/794,515.20
  6. Step 6: Final answer
    x = 981,820.80

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Double scale
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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.