Home / 927,746.80-1,391,620.20-554,498.80

Finding the Fourth Proportional to 927,746.80, 1,391,620.20 and 554,498.80

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Solution

The fourth proportional to 927,746.80, 1,391,620.20 and 554,498.80 is: 831,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,746.80 : 1,391,620.20 = 554,498.80 : x
  2. Step 2: Convert to fraction form
    927,746.80/1,391,620.20 = 554,498.80/x
  3. Step 3: Cross multiply
    927,746.80x = 1,391,620.20 × 554,498.80
  4. Step 4: Simplify right side
    927,746.80x = 771,651,730,955.76
  5. Step 5: Solve for x
    x = 771,651,730,955.76/927,746.80
  6. Step 6: Final answer
    x = 831,748.20

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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.