Home / 487,746.90-731,620.35-222,026.40

Finding the Fourth Proportional to 487,746.90, 731,620.35 and 222,026.40

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Solution

The fourth proportional to 487,746.90, 731,620.35 and 222,026.40 is: 333,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,746.90 : 731,620.35 = 222,026.40 : x
  2. Step 2: Convert to fraction form
    487,746.90/731,620.35 = 222,026.40/x
  3. Step 3: Cross multiply
    487,746.90x = 731,620.35 × 222,026.40
  4. Step 4: Simplify right side
    487,746.90x = 162,439,032,477.24
  5. Step 5: Solve for x
    x = 162,439,032,477.24/487,746.90
  6. Step 6: Final answer
    x = 333,039.60

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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.