Home / 571,131.19-788,158.92-316,482.18

Finding the Fourth Proportional to 571,131.19, 788,158.92 and 316,482.18

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Solution

The fourth proportional to 571,131.19, 788,158.92 and 316,482.18 is: 436,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,131.19 : 788,158.92 = 316,482.18 : x
  2. Step 2: Convert to fraction form
    571,131.19/788,158.92 = 316,482.18/x
  3. Step 3: Cross multiply
    571,131.19x = 788,158.92 × 316,482.18
  4. Step 4: Simplify right side
    571,131.19x = 249,438,253,188.05
  5. Step 5: Solve for x
    x = 249,438,253,188.05/571,131.19
  6. Step 6: Final answer
    x = 436,744.23

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Double scale
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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.