Home / 716,437.88-988,825.60-410,719.56

Finding the Fourth Proportional to 716,437.88, 988,825.60 and 410,719.56

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Solution

The fourth proportional to 716,437.88, 988,825.60 and 410,719.56 is: 566,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,437.88 : 988,825.60 = 410,719.56 : x
  2. Step 2: Convert to fraction form
    716,437.88/988,825.60 = 410,719.56/x
  3. Step 3: Cross multiply
    716,437.88x = 988,825.60 × 410,719.56
  4. Step 4: Simplify right side
    716,437.88x = 406,130,015,348.74
  5. Step 5: Solve for x
    x = 406,130,015,348.74/716,437.88
  6. Step 6: Final answer
    x = 566,874.01

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1.5x scale

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.