Home / 1,187,809.60-1,781,714.40-289,244.20

Finding the Fourth Proportional to 1,187,809.60, 1,781,714.40 and 289,244.20

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Solution

The fourth proportional to 1,187,809.60, 1,781,714.40 and 289,244.20 is: 433,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,809.60 : 1,781,714.40 = 289,244.20 : x
  2. Step 2: Convert to fraction form
    1,187,809.60/1,781,714.40 = 289,244.20/x
  3. Step 3: Cross multiply
    1,187,809.60x = 1,781,714.40 × 289,244.20
  4. Step 4: Simplify right side
    1,187,809.60x = 515,350,556,256.48
  5. Step 5: Solve for x
    x = 515,350,556,256.48/1,187,809.60
  6. Step 6: Final answer
    x = 433,866.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.