Home / 688,093.80-1,032,140.70-614,610.60

Finding the Fourth Proportional to 688,093.80, 1,032,140.70 and 614,610.60

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Solution

The fourth proportional to 688,093.80, 1,032,140.70 and 614,610.60 is: 921,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,093.80 : 1,032,140.70 = 614,610.60 : x
  2. Step 2: Convert to fraction form
    688,093.80/1,032,140.70 = 614,610.60/x
  3. Step 3: Cross multiply
    688,093.80x = 1,032,140.70 × 614,610.60
  4. Step 4: Simplify right side
    688,093.80x = 634,364,614,911.42
  5. Step 5: Solve for x
    x = 634,364,614,911.42/688,093.80
  6. Step 6: Final answer
    x = 921,915.90

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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.