Home / 716,296.42-988,440.33-414,535.78

Finding the Fourth Proportional to 716,296.42, 988,440.33 and 414,535.78

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Solution

The fourth proportional to 716,296.42, 988,440.33 and 414,535.78 is: 572,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,296.42 : 988,440.33 = 414,535.78 : x
  2. Step 2: Convert to fraction form
    716,296.42/988,440.33 = 414,535.78/x
  3. Step 3: Cross multiply
    716,296.42x = 988,440.33 × 414,535.78
  4. Step 4: Simplify right side
    716,296.42x = 409,743,883,180.01
  5. Step 5: Solve for x
    x = 409,743,883,180.01/716,296.42
  6. Step 6: Final answer
    x = 572,031.18

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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.