Home / 566,715.20-782,065.76-308,588.16

Finding the Fourth Proportional to 566,715.20, 782,065.76 and 308,588.16

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Solution

The fourth proportional to 566,715.20, 782,065.76 and 308,588.16 is: 425,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,715.20 : 782,065.76 = 308,588.16 : x
  2. Step 2: Convert to fraction form
    566,715.20/782,065.76 = 308,588.16/x
  3. Step 3: Cross multiply
    566,715.20x = 782,065.76 × 308,588.16
  4. Step 4: Simplify right side
    566,715.20x = 241,336,233,877.40
  5. Step 5: Solve for x
    x = 241,336,233,877.40/566,715.20
  6. Step 6: Final answer
    x = 425,851.00

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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.