Home / 699,816.17-966,211.13-538,386.41

Finding the Fourth Proportional to 699,816.17, 966,211.13 and 538,386.41

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Solution

The fourth proportional to 699,816.17, 966,211.13 and 538,386.41 is: 743,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,816.17 : 966,211.13 = 538,386.41 : x
  2. Step 2: Convert to fraction form
    699,816.17/966,211.13 = 538,386.41/x
  3. Step 3: Cross multiply
    699,816.17x = 966,211.13 × 538,386.41
  4. Step 4: Simplify right side
    699,816.17x = 520,194,941,582.74
  5. Step 5: Solve for x
    x = 520,194,941,582.74/699,816.17
  6. Step 6: Final answer
    x = 743,330.84

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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.