Home / 1,240,753.32-1,712,160.72-696,875.04

Finding the Fourth Proportional to 1,240,753.32, 1,712,160.72 and 696,875.04

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Solution

The fourth proportional to 1,240,753.32, 1,712,160.72 and 696,875.04 is: 961,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,753.32 : 1,712,160.72 = 696,875.04 : x
  2. Step 2: Convert to fraction form
    1,240,753.32/1,712,160.72 = 696,875.04/x
  3. Step 3: Cross multiply
    1,240,753.32x = 1,712,160.72 × 696,875.04
  4. Step 4: Simplify right side
    1,240,753.32x = 1,193,162,070,236.43
  5. Step 5: Solve for x
    x = 1,193,162,070,236.43/1,240,753.32
  6. Step 6: Final answer
    x = 961,643.26

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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.