Home / 917,814.30-1,376,721.45-707,862.30

Finding the Fourth Proportional to 917,814.30, 1,376,721.45 and 707,862.30

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Solution

The fourth proportional to 917,814.30, 1,376,721.45 and 707,862.30 is: 1,061,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,814.30 : 1,376,721.45 = 707,862.30 : x
  2. Step 2: Convert to fraction form
    917,814.30/1,376,721.45 = 707,862.30/x
  3. Step 3: Cross multiply
    917,814.30x = 1,376,721.45 × 707,862.30
  4. Step 4: Simplify right side
    917,814.30x = 974,529,212,056.34
  5. Step 5: Solve for x
    x = 974,529,212,056.34/917,814.30
  6. Step 6: Final answer
    x = 1,061,793.45

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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.