Home / 753,655.52-1,130,649.36-417,186.94

Finding the Fourth Proportional to 753,655.52, 1,130,649.36 and 417,186.94

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Solution

The fourth proportional to 753,655.52, 1,130,649.36 and 417,186.94 is: 625,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,655.52 : 1,130,649.36 = 417,186.94 : x
  2. Step 2: Convert to fraction form
    753,655.52/1,130,649.36 = 417,186.94/x
  3. Step 3: Cross multiply
    753,655.52x = 1,130,649.36 × 417,186.94
  4. Step 4: Simplify right side
    753,655.52x = 471,692,146,711.36
  5. Step 5: Solve for x
    x = 471,692,146,711.36/753,655.52
  6. Step 6: Final answer
    x = 625,872.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.