Home / 1,129,124.40-1,692,304.20-497,367.60

Finding the Fourth Proportional to 1,129,124.40, 1,692,304.20 and 497,367.60

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Solution

The fourth proportional to 1,129,124.40, 1,692,304.20 and 497,367.60 is: 745,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,124.40 : 1,692,304.20 = 497,367.60 : x
  2. Step 2: Convert to fraction form
    1,129,124.40/1,692,304.20 = 497,367.60/x
  3. Step 3: Cross multiply
    1,129,124.40x = 1,692,304.20 × 497,367.60
  4. Step 4: Simplify right side
    1,129,124.40x = 841,697,278,423.92
  5. Step 5: Solve for x
    x = 841,697,278,423.92/1,129,124.40
  6. Step 6: Final answer
    x = 745,442.47

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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.