Home / 546,623.02-754,351.14-304,915.78

Finding the Fourth Proportional to 546,623.02, 754,351.14 and 304,915.78

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Solution

The fourth proportional to 546,623.02, 754,351.14 and 304,915.78 is: 420,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,623.02 : 754,351.14 = 304,915.78 : x
  2. Step 2: Convert to fraction form
    546,623.02/754,351.14 = 304,915.78/x
  3. Step 3: Cross multiply
    546,623.02x = 754,351.14 × 304,915.78
  4. Step 4: Simplify right side
    546,623.02x = 230,013,566,246.99
  5. Step 5: Solve for x
    x = 230,013,566,246.99/546,623.02
  6. Step 6: Final answer
    x = 420,790.12

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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.