Home / 761,424.48-1,142,966.88-441,925.92

Finding the Fourth Proportional to 761,424.48, 1,142,966.88 and 441,925.92

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Solution

The fourth proportional to 761,424.48, 1,142,966.88 and 441,925.92 is: 663,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,424.48 : 1,142,966.88 = 441,925.92 : x
  2. Step 2: Convert to fraction form
    761,424.48/1,142,966.88 = 441,925.92/x
  3. Step 3: Cross multiply
    761,424.48x = 1,142,966.88 × 441,925.92
  4. Step 4: Simplify right side
    761,424.48x = 505,106,689,973.53
  5. Step 5: Solve for x
    x = 505,106,689,973.53/761,424.48
  6. Step 6: Final answer
    x = 663,370.70

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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.