Home / 1,649,543.70-2,275,937.28-1,005,253.50

Finding the Fourth Proportional to 1,649,543.70, 2,275,937.28 and 1,005,253.50

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Solution

The fourth proportional to 1,649,543.70, 2,275,937.28 and 1,005,253.50 is: 1,386,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,543.70 : 2,275,937.28 = 1,005,253.50 : x
  2. Step 2: Convert to fraction form
    1,649,543.70/2,275,937.28 = 1,005,253.50/x
  3. Step 3: Cross multiply
    1,649,543.70x = 2,275,937.28 × 1,005,253.50
  4. Step 4: Simplify right side
    1,649,543.70x = 2,287,893,916,500.48
  5. Step 5: Solve for x
    x = 2,287,893,916,500.48/1,649,543.70
  6. Step 6: Final answer
    x = 1,386,985.94

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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.