Home / 912,327.60-1,366,417.80-576,404.40

Finding the Fourth Proportional to 912,327.60, 1,366,417.80 and 576,404.40

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Solution

The fourth proportional to 912,327.60, 1,366,417.80 and 576,404.40 is: 863,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,327.60 : 1,366,417.80 = 576,404.40 : x
  2. Step 2: Convert to fraction form
    912,327.60/1,366,417.80 = 576,404.40/x
  3. Step 3: Cross multiply
    912,327.60x = 1,366,417.80 × 576,404.40
  4. Step 4: Simplify right side
    912,327.60x = 787,609,232,158.32
  5. Step 5: Solve for x
    x = 787,609,232,158.32/912,327.60
  6. Step 6: Final answer
    x = 863,296.51

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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.