Home / 953,178.18-1,315,056.98-609,215.46

Finding the Fourth Proportional to 953,178.18, 1,315,056.98 and 609,215.46

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Solution

The fourth proportional to 953,178.18, 1,315,056.98 and 609,215.46 is: 840,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,178.18 : 1,315,056.98 = 609,215.46 : x
  2. Step 2: Convert to fraction form
    953,178.18/1,315,056.98 = 609,215.46/x
  3. Step 3: Cross multiply
    953,178.18x = 1,315,056.98 × 609,215.46
  4. Step 4: Simplify right side
    953,178.18x = 801,153,042,996.91
  5. Step 5: Solve for x
    x = 801,153,042,996.91/953,178.18
  6. Step 6: Final answer
    x = 840,507.12

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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.