Home / 956,520.10-1,320,057.42-526,800.12

Finding the Fourth Proportional to 956,520.10, 1,320,057.42 and 526,800.12

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Solution

The fourth proportional to 956,520.10, 1,320,057.42 and 526,800.12 is: 727,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,520.10 : 1,320,057.42 = 526,800.12 : x
  2. Step 2: Convert to fraction form
    956,520.10/1,320,057.42 = 526,800.12/x
  3. Step 3: Cross multiply
    956,520.10x = 1,320,057.42 × 526,800.12
  4. Step 4: Simplify right side
    956,520.10x = 695,406,407,262.89
  5. Step 5: Solve for x
    x = 695,406,407,262.89/956,520.10
  6. Step 6: Final answer
    x = 727,017.04

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Double scale
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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.