Home / 817,054.92-1,127,535.74-459,358.92

Finding the Fourth Proportional to 817,054.92, 1,127,535.74 and 459,358.92

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Solution

The fourth proportional to 817,054.92, 1,127,535.74 and 459,358.92 is: 633,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,054.92 : 1,127,535.74 = 459,358.92 : x
  2. Step 2: Convert to fraction form
    817,054.92/1,127,535.74 = 459,358.92/x
  3. Step 3: Cross multiply
    817,054.92x = 1,127,535.74 × 459,358.92
  4. Step 4: Simplify right side
    817,054.92x = 517,943,599,787.80
  5. Step 5: Solve for x
    x = 517,943,599,787.80/817,054.92
  6. Step 6: Final answer
    x = 633,915.28

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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.