Home / 679,335.19-937,531.53-407,398.14

Finding the Fourth Proportional to 679,335.19, 937,531.53 and 407,398.14

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Solution

The fourth proportional to 679,335.19, 937,531.53 and 407,398.14 is: 562,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,335.19 : 937,531.53 = 407,398.14 : x
  2. Step 2: Convert to fraction form
    679,335.19/937,531.53 = 407,398.14/x
  3. Step 3: Cross multiply
    679,335.19x = 937,531.53 × 407,398.14
  4. Step 4: Simplify right side
    679,335.19x = 381,948,601,513.35
  5. Step 5: Solve for x
    x = 381,948,601,513.35/679,335.19
  6. Step 6: Final answer
    x = 562,238.80

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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.