Home / 816,312.60-1,126,463.13-453,724.02

Finding the Fourth Proportional to 816,312.60, 1,126,463.13 and 453,724.02

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Solution

The fourth proportional to 816,312.60, 1,126,463.13 and 453,724.02 is: 626,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,312.60 : 1,126,463.13 = 453,724.02 : x
  2. Step 2: Convert to fraction form
    816,312.60/1,126,463.13 = 453,724.02/x
  3. Step 3: Cross multiply
    816,312.60x = 1,126,463.13 × 453,724.02
  4. Step 4: Simplify right side
    816,312.60x = 511,103,379,725.38
  5. Step 5: Solve for x
    x = 511,103,379,725.38/816,312.60
  6. Step 6: Final answer
    x = 626,112.32

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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.