Home / 753,544.23-1,039,886.85-409,377.41

Finding the Fourth Proportional to 753,544.23, 1,039,886.85 and 409,377.41

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Solution

The fourth proportional to 753,544.23, 1,039,886.85 and 409,377.41 is: 564,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,544.23 : 1,039,886.85 = 409,377.41 : x
  2. Step 2: Convert to fraction form
    753,544.23/1,039,886.85 = 409,377.41/x
  3. Step 3: Cross multiply
    753,544.23x = 1,039,886.85 × 409,377.41
  4. Step 4: Simplify right side
    753,544.23x = 425,706,180,146.62
  5. Step 5: Solve for x
    x = 425,706,180,146.62/753,544.23
  6. Step 6: Final answer
    x = 564,938.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.