Home / 747,483.16-1,031,168.10-489,246.46

Finding the Fourth Proportional to 747,483.16, 1,031,168.10 and 489,246.46

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Solution

The fourth proportional to 747,483.16, 1,031,168.10 and 489,246.46 is: 674,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,483.16 : 1,031,168.10 = 489,246.46 : x
  2. Step 2: Convert to fraction form
    747,483.16/1,031,168.10 = 489,246.46/x
  3. Step 3: Cross multiply
    747,483.16x = 1,031,168.10 × 489,246.46
  4. Step 4: Simplify right side
    747,483.16x = 504,495,342,589.93
  5. Step 5: Solve for x
    x = 504,495,342,589.93/747,483.16
  6. Step 6: Final answer
    x = 674,925.36

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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.