Home / 1,122,856.31-1,549,655.81-664,119.36

Finding the Fourth Proportional to 1,122,856.31, 1,549,655.81 and 664,119.36

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Solution

The fourth proportional to 1,122,856.31, 1,549,655.81 and 664,119.36 is: 916,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,856.31 : 1,549,655.81 = 664,119.36 : x
  2. Step 2: Convert to fraction form
    1,122,856.31/1,549,655.81 = 664,119.36/x
  3. Step 3: Cross multiply
    1,122,856.31x = 1,549,655.81 × 664,119.36
  4. Step 4: Simplify right side
    1,122,856.31x = 1,029,156,421,436.88
  5. Step 5: Solve for x
    x = 1,029,156,421,436.88/1,122,856.31
  6. Step 6: Final answer
    x = 916,552.20

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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.