Home / 438,068.32-604,542.90-247,044.40

Finding the Fourth Proportional to 438,068.32, 604,542.90 and 247,044.40

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Solution

The fourth proportional to 438,068.32, 604,542.90 and 247,044.40 is: 340,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,068.32 : 604,542.90 = 247,044.40 : x
  2. Step 2: Convert to fraction form
    438,068.32/604,542.90 = 247,044.40/x
  3. Step 3: Cross multiply
    438,068.32x = 604,542.90 × 247,044.40
  4. Step 4: Simplify right side
    438,068.32x = 149,348,938,004.76
  5. Step 5: Solve for x
    x = 149,348,938,004.76/438,068.32
  6. Step 6: Final answer
    x = 340,926.13

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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.