Home / 648,869.26-973,306.18-199,587.10

Finding the Fourth Proportional to 648,869.26, 973,306.18 and 199,587.10

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Solution

The fourth proportional to 648,869.26, 973,306.18 and 199,587.10 is: 299,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,869.26 : 973,306.18 = 199,587.10 : x
  2. Step 2: Convert to fraction form
    648,869.26/973,306.18 = 199,587.10/x
  3. Step 3: Cross multiply
    648,869.26x = 973,306.18 × 199,587.10
  4. Step 4: Simplify right side
    648,869.26x = 194,259,357,878.28
  5. Step 5: Solve for x
    x = 194,259,357,878.28/648,869.26
  6. Step 6: Final answer
    x = 299,381.35

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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.