Home / 487,371.83-731,174.40-246,886.07

Finding the Fourth Proportional to 487,371.83, 731,174.40 and 246,886.07

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Solution

The fourth proportional to 487,371.83, 731,174.40 and 246,886.07 is: 370,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,371.83 : 731,174.40 = 246,886.07 : x
  2. Step 2: Convert to fraction form
    487,371.83/731,174.40 = 246,886.07/x
  3. Step 3: Cross multiply
    487,371.83x = 731,174.40 × 246,886.07
  4. Step 4: Simplify right side
    487,371.83x = 180,516,774,100.61
  5. Step 5: Solve for x
    x = 180,516,774,100.61/487,371.83
  6. Step 6: Final answer
    x = 370,388.20

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1.5x scale

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.