Home / 927,000.80-1,390,501.20-295,978.40

Finding the Fourth Proportional to 927,000.80, 1,390,501.20 and 295,978.40

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Solution

The fourth proportional to 927,000.80, 1,390,501.20 and 295,978.40 is: 443,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,000.80 : 1,390,501.20 = 295,978.40 : x
  2. Step 2: Convert to fraction form
    927,000.80/1,390,501.20 = 295,978.40/x
  3. Step 3: Cross multiply
    927,000.80x = 1,390,501.20 × 295,978.40
  4. Step 4: Simplify right side
    927,000.80x = 411,558,320,374.08
  5. Step 5: Solve for x
    x = 411,558,320,374.08/927,000.80
  6. Step 6: Final answer
    x = 443,967.60

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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.