Home / 947,543.20-1,307,613.11-517,823.42

Finding the Fourth Proportional to 947,543.20, 1,307,613.11 and 517,823.42

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Solution

The fourth proportional to 947,543.20, 1,307,613.11 and 517,823.42 is: 714,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,543.20 : 1,307,613.11 = 517,823.42 : x
  2. Step 2: Convert to fraction form
    947,543.20/1,307,613.11 = 517,823.42/x
  3. Step 3: Cross multiply
    947,543.20x = 1,307,613.11 × 517,823.42
  4. Step 4: Simplify right side
    947,543.20x = 677,112,683,529.85
  5. Step 5: Solve for x
    x = 677,112,683,529.85/947,543.20
  6. Step 6: Final answer
    x = 714,598.22

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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.