Home / 816,254.40-1,126,376.64-453,654.72

Finding the Fourth Proportional to 816,254.40, 1,126,376.64 and 453,654.72

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Solution

The fourth proportional to 816,254.40, 1,126,376.64 and 453,654.72 is: 626,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,254.40 : 1,126,376.64 = 453,654.72 : x
  2. Step 2: Convert to fraction form
    816,254.40/1,126,376.64 = 453,654.72/x
  3. Step 3: Cross multiply
    816,254.40x = 1,126,376.64 × 453,654.72
  4. Step 4: Simplify right side
    816,254.40x = 510,986,079,233.74
  5. Step 5: Solve for x
    x = 510,986,079,233.74/816,254.40
  6. Step 6: Final answer
    x = 626,013.26

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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.