Home / 808,635.13-1,116,275.18-522,294.87

Finding the Fourth Proportional to 808,635.13, 1,116,275.18 and 522,294.87

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Solution

The fourth proportional to 808,635.13, 1,116,275.18 and 522,294.87 is: 720,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,635.13 : 1,116,275.18 = 522,294.87 : x
  2. Step 2: Convert to fraction form
    808,635.13/1,116,275.18 = 522,294.87/x
  3. Step 3: Cross multiply
    808,635.13x = 1,116,275.18 × 522,294.87
  4. Step 4: Simplify right side
    808,635.13x = 583,024,797,410.85
  5. Step 5: Solve for x
    x = 583,024,797,410.85/808,635.13
  6. Step 6: Final answer
    x = 720,998.60

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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.