Home / 877,560.60-1,316,340.90-545,784.60

Finding the Fourth Proportional to 877,560.60, 1,316,340.90 and 545,784.60

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Solution

The fourth proportional to 877,560.60, 1,316,340.90 and 545,784.60 is: 818,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,560.60 : 1,316,340.90 = 545,784.60 : x
  2. Step 2: Convert to fraction form
    877,560.60/1,316,340.90 = 545,784.60/x
  3. Step 3: Cross multiply
    877,560.60x = 1,316,340.90 × 545,784.60
  4. Step 4: Simplify right side
    877,560.60x = 718,438,591,570.14
  5. Step 5: Solve for x
    x = 718,438,591,570.14/877,560.60
  6. Step 6: Final answer
    x = 818,676.90

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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.