Home / 414,129.87-571,459.80-242,088.15

Finding the Fourth Proportional to 414,129.87, 571,459.80 and 242,088.15

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Solution

The fourth proportional to 414,129.87, 571,459.80 and 242,088.15 is: 334,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,129.87 : 571,459.80 = 242,088.15 : x
  2. Step 2: Convert to fraction form
    414,129.87/571,459.80 = 242,088.15/x
  3. Step 3: Cross multiply
    414,129.87x = 571,459.80 × 242,088.15
  4. Step 4: Simplify right side
    414,129.87x = 138,343,645,781.37
  5. Step 5: Solve for x
    x = 138,343,645,781.37/414,129.87
  6. Step 6: Final answer
    x = 334,058.60

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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.