Home / 723,981.60-1,084,903.20-524,721.60

Finding the Fourth Proportional to 723,981.60, 1,084,903.20 and 524,721.60

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Solution

The fourth proportional to 723,981.60, 1,084,903.20 and 524,721.60 is: 786,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,981.60 : 1,084,903.20 = 524,721.60 : x
  2. Step 2: Convert to fraction form
    723,981.60/1,084,903.20 = 524,721.60/x
  3. Step 3: Cross multiply
    723,981.60x = 1,084,903.20 × 524,721.60
  4. Step 4: Simplify right side
    723,981.60x = 569,272,142,949.12
  5. Step 5: Solve for x
    x = 569,272,142,949.12/723,981.60
  6. Step 6: Final answer
    x = 786,307.47

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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.