Home / 812,338.60-1,120,877.86-468,126.26

Finding the Fourth Proportional to 812,338.60, 1,120,877.86 and 468,126.26

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Solution

The fourth proportional to 812,338.60, 1,120,877.86 and 468,126.26 is: 645,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,338.60 : 1,120,877.86 = 468,126.26 : x
  2. Step 2: Convert to fraction form
    812,338.60/1,120,877.86 = 468,126.26/x
  3. Step 3: Cross multiply
    812,338.60x = 1,120,877.86 × 468,126.26
  4. Step 4: Simplify right side
    812,338.60x = 524,712,360,518.60
  5. Step 5: Solve for x
    x = 524,712,360,518.60/812,338.60
  6. Step 6: Final answer
    x = 645,928.14

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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.