Home / 816,955.59-1,127,379.02-454,378.35

Finding the Fourth Proportional to 816,955.59, 1,127,379.02 and 454,378.35

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Solution

The fourth proportional to 816,955.59, 1,127,379.02 and 454,378.35 is: 627,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,955.59 : 1,127,379.02 = 454,378.35 : x
  2. Step 2: Convert to fraction form
    816,955.59/1,127,379.02 = 454,378.35/x
  3. Step 3: Cross multiply
    816,955.59x = 1,127,379.02 × 454,378.35
  4. Step 4: Simplify right side
    816,955.59x = 512,256,616,660.33
  5. Step 5: Solve for x
    x = 512,256,616,660.33/816,955.59
  6. Step 6: Final answer
    x = 627,031.17

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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.