Home / 991,047.50-1,367,623.23-577,558.70

Finding the Fourth Proportional to 991,047.50, 1,367,623.23 and 577,558.70

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Solution

The fourth proportional to 991,047.50, 1,367,623.23 and 577,558.70 is: 797,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,047.50 : 1,367,623.23 = 577,558.70 : x
  2. Step 2: Convert to fraction form
    991,047.50/1,367,623.23 = 577,558.70/x
  3. Step 3: Cross multiply
    991,047.50x = 1,367,623.23 × 577,558.70
  4. Step 4: Simplify right side
    991,047.50x = 789,882,694,808.60
  5. Step 5: Solve for x
    x = 789,882,694,808.60/991,047.50
  6. Step 6: Final answer
    x = 797,018.00

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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.