Home / 733,147.50-1,011,384.05-636,215.34

Finding the Fourth Proportional to 733,147.50, 1,011,384.05 and 636,215.34

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Solution

The fourth proportional to 733,147.50, 1,011,384.05 and 636,215.34 is: 877,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,147.50 : 1,011,384.05 = 636,215.34 : x
  2. Step 2: Convert to fraction form
    733,147.50/1,011,384.05 = 636,215.34/x
  3. Step 3: Cross multiply
    733,147.50x = 1,011,384.05 × 636,215.34
  4. Step 4: Simplify right side
    733,147.50x = 643,458,044,060.25
  5. Step 5: Solve for x
    x = 643,458,044,060.25/733,147.50
  6. Step 6: Final answer
    x = 877,665.20

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1.5x scale

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.