Home / 988,416.27-1,363,644.32-580,531.05

Finding the Fourth Proportional to 988,416.27, 1,363,644.32 and 580,531.05

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Solution

The fourth proportional to 988,416.27, 1,363,644.32 and 580,531.05 is: 800,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,416.27 : 1,363,644.32 = 580,531.05 : x
  2. Step 2: Convert to fraction form
    988,416.27/1,363,644.32 = 580,531.05/x
  3. Step 3: Cross multiply
    988,416.27x = 1,363,644.32 × 580,531.05
  4. Step 4: Simplify right side
    988,416.27x = 791,637,866,013.48
  5. Step 5: Solve for x
    x = 791,637,866,013.48/988,416.27
  6. Step 6: Final answer
    x = 800,915.45

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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.