Home / 776,382.17-1,164,690.80-243,853.13

Finding the Fourth Proportional to 776,382.17, 1,164,690.80 and 243,853.13

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Solution

The fourth proportional to 776,382.17, 1,164,690.80 and 243,853.13 is: 365,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,382.17 : 1,164,690.80 = 243,853.13 : x
  2. Step 2: Convert to fraction form
    776,382.17/1,164,690.80 = 243,853.13/x
  3. Step 3: Cross multiply
    776,382.17x = 1,164,690.80 × 243,853.13
  4. Step 4: Simplify right side
    776,382.17x = 284,013,499,669.12
  5. Step 5: Solve for x
    x = 284,013,499,669.12/776,382.17
  6. Step 6: Final answer
    x = 365,816.62

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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.