Home / 571,116.05-788,140.14-316,467.24

Finding the Fourth Proportional to 571,116.05, 788,140.14 and 316,467.24

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Solution

The fourth proportional to 571,116.05, 788,140.14 and 316,467.24 is: 436,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,116.05 : 788,140.14 = 316,467.24 : x
  2. Step 2: Convert to fraction form
    571,116.05/788,140.14 = 316,467.24/x
  3. Step 3: Cross multiply
    571,116.05x = 788,140.14 × 316,467.24
  4. Step 4: Simplify right side
    571,116.05x = 249,420,534,839.01
  5. Step 5: Solve for x
    x = 249,420,534,839.01/571,116.05
  6. Step 6: Final answer
    x = 436,724.79

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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.