Home / 817,986.18-1,128,528.76-473,634.16

Finding the Fourth Proportional to 817,986.18, 1,128,528.76 and 473,634.16

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Solution

The fourth proportional to 817,986.18, 1,128,528.76 and 473,634.16 is: 653,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,986.18 : 1,128,528.76 = 473,634.16 : x
  2. Step 2: Convert to fraction form
    817,986.18/1,128,528.76 = 473,634.16/x
  3. Step 3: Cross multiply
    817,986.18x = 1,128,528.76 × 473,634.16
  4. Step 4: Simplify right side
    817,986.18x = 534,509,771,278.44
  5. Step 5: Solve for x
    x = 534,509,771,278.44/817,986.18
  6. Step 6: Final answer
    x = 653,445.97

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Double scale
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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.