Home / 1,139,972.46-1,573,104.51-623,715.18

Finding the Fourth Proportional to 1,139,972.46, 1,573,104.51 and 623,715.18

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Solution

The fourth proportional to 1,139,972.46, 1,573,104.51 and 623,715.18 is: 860,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,972.46 : 1,573,104.51 = 623,715.18 : x
  2. Step 2: Convert to fraction form
    1,139,972.46/1,573,104.51 = 623,715.18/x
  3. Step 3: Cross multiply
    1,139,972.46x = 1,573,104.51 × 623,715.18
  4. Step 4: Simplify right side
    1,139,972.46x = 981,169,162,613.46
  5. Step 5: Solve for x
    x = 981,169,162,613.46/1,139,972.46
  6. Step 6: Final answer
    x = 860,695.50

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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.