Home / 648,173.80-972,260.70-589,076.20

Finding the Fourth Proportional to 648,173.80, 972,260.70 and 589,076.20

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Solution

The fourth proportional to 648,173.80, 972,260.70 and 589,076.20 is: 883,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,173.80 : 972,260.70 = 589,076.20 : x
  2. Step 2: Convert to fraction form
    648,173.80/972,260.70 = 589,076.20/x
  3. Step 3: Cross multiply
    648,173.80x = 972,260.70 × 589,076.20
  4. Step 4: Simplify right side
    648,173.80x = 572,735,638,565.34
  5. Step 5: Solve for x
    x = 572,735,638,565.34/648,173.80
  6. Step 6: Final answer
    x = 883,614.30

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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.