Home / 807,758.16-1,113,795.72-516,989.04

Finding the Fourth Proportional to 807,758.16, 1,113,795.72 and 516,989.04

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Solution

The fourth proportional to 807,758.16, 1,113,795.72 and 516,989.04 is: 712,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,758.16 : 1,113,795.72 = 516,989.04 : x
  2. Step 2: Convert to fraction form
    807,758.16/1,113,795.72 = 516,989.04/x
  3. Step 3: Cross multiply
    807,758.16x = 1,113,795.72 × 516,989.04
  4. Step 4: Simplify right side
    807,758.16x = 575,820,180,038.91
  5. Step 5: Solve for x
    x = 575,820,180,038.91/807,758.16
  6. Step 6: Final answer
    x = 712,862.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.