Home / 554,966.40-832,085.10-217,803.90

Finding the Fourth Proportional to 554,966.40, 832,085.10 and 217,803.90

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Solution

The fourth proportional to 554,966.40, 832,085.10 and 217,803.90 is: 326,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,966.40 : 832,085.10 = 217,803.90 : x
  2. Step 2: Convert to fraction form
    554,966.40/832,085.10 = 217,803.90/x
  3. Step 3: Cross multiply
    554,966.40x = 832,085.10 × 217,803.90
  4. Step 4: Simplify right side
    554,966.40x = 181,231,379,911.89
  5. Step 5: Solve for x
    x = 181,231,379,911.89/554,966.40
  6. Step 6: Final answer
    x = 326,562.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.