Home / 1,153,897.76-1,730,920.51-443,925.80

Finding the Fourth Proportional to 1,153,897.76, 1,730,920.51 and 443,925.80

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Solution

The fourth proportional to 1,153,897.76, 1,730,920.51 and 443,925.80 is: 665,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,897.76 : 1,730,920.51 = 443,925.80 : x
  2. Step 2: Convert to fraction form
    1,153,897.76/1,730,920.51 = 443,925.80/x
  3. Step 3: Cross multiply
    1,153,897.76x = 1,730,920.51 × 443,925.80
  4. Step 4: Simplify right side
    1,153,897.76x = 768,400,279,080.28
  5. Step 5: Solve for x
    x = 768,400,279,080.28/1,153,897.76
  6. Step 6: Final answer
    x = 665,917.12

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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.