Home / 859,123.69-1,185,615.29-477,175.07

Finding the Fourth Proportional to 859,123.69, 1,185,615.29 and 477,175.07

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Solution

The fourth proportional to 859,123.69, 1,185,615.29 and 477,175.07 is: 658,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,123.69 : 1,185,615.29 = 477,175.07 : x
  2. Step 2: Convert to fraction form
    859,123.69/1,185,615.29 = 477,175.07/x
  3. Step 3: Cross multiply
    859,123.69x = 1,185,615.29 × 477,175.07
  4. Step 4: Simplify right side
    859,123.69x = 565,746,063,155.80
  5. Step 5: Solve for x
    x = 565,746,063,155.80/859,123.69
  6. Step 6: Final answer
    x = 658,515.27

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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.