Home / 953,045.43-1,315,225.67-517,481.30

Finding the Fourth Proportional to 953,045.43, 1,315,225.67 and 517,481.30

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Solution

The fourth proportional to 953,045.43, 1,315,225.67 and 517,481.30 is: 714,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,045.43 : 1,315,225.67 = 517,481.30 : x
  2. Step 2: Convert to fraction form
    953,045.43/1,315,225.67 = 517,481.30/x
  3. Step 3: Cross multiply
    953,045.43x = 1,315,225.67 × 517,481.30
  4. Step 4: Simplify right side
    953,045.43x = 680,604,680,341.44
  5. Step 5: Solve for x
    x = 680,604,680,341.44/953,045.43
  6. Step 6: Final answer
    x = 714,136.66

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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.