Home / 691,877.60-1,037,816.40-659,218.40

Finding the Fourth Proportional to 691,877.60, 1,037,816.40 and 659,218.40

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Solution

The fourth proportional to 691,877.60, 1,037,816.40 and 659,218.40 is: 988,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,877.60 : 1,037,816.40 = 659,218.40 : x
  2. Step 2: Convert to fraction form
    691,877.60/1,037,816.40 = 659,218.40/x
  3. Step 3: Cross multiply
    691,877.60x = 1,037,816.40 × 659,218.40
  4. Step 4: Simplify right side
    691,877.60x = 684,147,666,701.76
  5. Step 5: Solve for x
    x = 684,147,666,701.76/691,877.60
  6. Step 6: Final answer
    x = 988,827.60

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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.