Home / 816,800.64-1,127,098.59-454,165.98

Finding the Fourth Proportional to 816,800.64, 1,127,098.59 and 454,165.98

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Solution

The fourth proportional to 816,800.64, 1,127,098.59 and 454,165.98 is: 626,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,800.64 : 1,127,098.59 = 454,165.98 : x
  2. Step 2: Convert to fraction form
    816,800.64/1,127,098.59 = 454,165.98/x
  3. Step 3: Cross multiply
    816,800.64x = 1,127,098.59 × 454,165.98
  4. Step 4: Simplify right side
    816,800.64x = 511,889,835,683.97
  5. Step 5: Solve for x
    x = 511,889,835,683.97/816,800.64
  6. Step 6: Final answer
    x = 626,701.07

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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.