Home / 819,783.60-1,229,675.40-594,085.20

Finding the Fourth Proportional to 819,783.60, 1,229,675.40 and 594,085.20

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Solution

The fourth proportional to 819,783.60, 1,229,675.40 and 594,085.20 is: 891,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,783.60 : 1,229,675.40 = 594,085.20 : x
  2. Step 2: Convert to fraction form
    819,783.60/1,229,675.40 = 594,085.20/x
  3. Step 3: Cross multiply
    819,783.60x = 1,229,675.40 × 594,085.20
  4. Step 4: Simplify right side
    819,783.60x = 730,531,955,944.08
  5. Step 5: Solve for x
    x = 730,531,955,944.08/819,783.60
  6. Step 6: Final answer
    x = 891,127.80

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Double scale
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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.