Home / 705,024.60-972,935.15-403,218.60

Finding the Fourth Proportional to 705,024.60, 972,935.15 and 403,218.60

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Solution

The fourth proportional to 705,024.60, 972,935.15 and 403,218.60 is: 556,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,024.60 : 972,935.15 = 403,218.60 : x
  2. Step 2: Convert to fraction form
    705,024.60/972,935.15 = 403,218.60/x
  3. Step 3: Cross multiply
    705,024.60x = 972,935.15 × 403,218.60
  4. Step 4: Simplify right side
    705,024.60x = 392,305,549,073.79
  5. Step 5: Solve for x
    x = 392,305,549,073.79/705,024.60
  6. Step 6: Final answer
    x = 556,442.36

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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.