Home / 1,332,439.17-1,998,211.20-433,669.53

Finding the Fourth Proportional to 1,332,439.17, 1,998,211.20 and 433,669.53

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Solution

The fourth proportional to 1,332,439.17, 1,998,211.20 and 433,669.53 is: 650,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,439.17 : 1,998,211.20 = 433,669.53 : x
  2. Step 2: Convert to fraction form
    1,332,439.17/1,998,211.20 = 433,669.53/x
  3. Step 3: Cross multiply
    1,332,439.17x = 1,998,211.20 × 433,669.53
  4. Step 4: Simplify right side
    1,332,439.17x = 866,563,311,944.74
  5. Step 5: Solve for x
    x = 866,563,311,944.74/1,332,439.17
  6. Step 6: Final answer
    x = 650,358.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.