Home / 1,435,521.20-2,152,058.70-636,367.10

Finding the Fourth Proportional to 1,435,521.20, 2,152,058.70 and 636,367.10

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Solution

The fourth proportional to 1,435,521.20, 2,152,058.70 and 636,367.10 is: 954,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,521.20 : 2,152,058.70 = 636,367.10 : x
  2. Step 2: Convert to fraction form
    1,435,521.20/2,152,058.70 = 636,367.10/x
  3. Step 3: Cross multiply
    1,435,521.20x = 2,152,058.70 × 636,367.10
  4. Step 4: Simplify right side
    1,435,521.20x = 1,369,499,353,948.77
  5. Step 5: Solve for x
    x = 1,369,499,353,948.77/1,435,521.20
  6. Step 6: Final answer
    x = 954,008.45

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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.