Home / 912,041.67-1,258,695.17-530,043.85

Finding the Fourth Proportional to 912,041.67, 1,258,695.17 and 530,043.85

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Solution

The fourth proportional to 912,041.67, 1,258,695.17 and 530,043.85 is: 731,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,041.67 : 1,258,695.17 = 530,043.85 : x
  2. Step 2: Convert to fraction form
    912,041.67/1,258,695.17 = 530,043.85/x
  3. Step 3: Cross multiply
    912,041.67x = 1,258,695.17 × 530,043.85
  4. Step 4: Simplify right side
    912,041.67x = 667,163,632,061.58
  5. Step 5: Solve for x
    x = 667,163,632,061.58/912,041.67
  6. Step 6: Final answer
    x = 731,505.65

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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.