Home / 753,160.57-1,038,905.16-447,035.24

Finding the Fourth Proportional to 753,160.57, 1,038,905.16 and 447,035.24

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Solution

The fourth proportional to 753,160.57, 1,038,905.16 and 447,035.24 is: 616,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,160.57 : 1,038,905.16 = 447,035.24 : x
  2. Step 2: Convert to fraction form
    753,160.57/1,038,905.16 = 447,035.24/x
  3. Step 3: Cross multiply
    753,160.57x = 1,038,905.16 × 447,035.24
  4. Step 4: Simplify right side
    753,160.57x = 464,427,218,458.72
  5. Step 5: Solve for x
    x = 464,427,218,458.72/753,160.57
  6. Step 6: Final answer
    x = 616,637.72

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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.