Home / 872,193.60-1,308,290.40-573,595.20

Finding the Fourth Proportional to 872,193.60, 1,308,290.40 and 573,595.20

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Solution

The fourth proportional to 872,193.60, 1,308,290.40 and 573,595.20 is: 860,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,193.60 : 1,308,290.40 = 573,595.20 : x
  2. Step 2: Convert to fraction form
    872,193.60/1,308,290.40 = 573,595.20/x
  3. Step 3: Cross multiply
    872,193.60x = 1,308,290.40 × 573,595.20
  4. Step 4: Simplify right side
    872,193.60x = 750,429,093,646.08
  5. Step 5: Solve for x
    x = 750,429,093,646.08/872,193.60
  6. Step 6: Final answer
    x = 860,392.80

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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.