Home / 817,473.60-1,127,934.72-477,786.24

Finding the Fourth Proportional to 817,473.60, 1,127,934.72 and 477,786.24

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Solution

The fourth proportional to 817,473.60, 1,127,934.72 and 477,786.24 is: 659,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,473.60 : 1,127,934.72 = 477,786.24 : x
  2. Step 2: Convert to fraction form
    817,473.60/1,127,934.72 = 477,786.24/x
  3. Step 3: Cross multiply
    817,473.60x = 1,127,934.72 × 477,786.24
  4. Step 4: Simplify right side
    817,473.60x = 538,911,688,834.25
  5. Step 5: Solve for x
    x = 538,911,688,834.25/817,473.60
  6. Step 6: Final answer
    x = 659,240.48

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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.