Home / 695,123.60-1,042,685.40-545,824.40

Finding the Fourth Proportional to 695,123.60, 1,042,685.40 and 545,824.40

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Solution

The fourth proportional to 695,123.60, 1,042,685.40 and 545,824.40 is: 818,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,123.60 : 1,042,685.40 = 545,824.40 : x
  2. Step 2: Convert to fraction form
    695,123.60/1,042,685.40 = 545,824.40/x
  3. Step 3: Cross multiply
    695,123.60x = 1,042,685.40 × 545,824.40
  4. Step 4: Simplify right side
    695,123.60x = 569,123,132,843.76
  5. Step 5: Solve for x
    x = 569,123,132,843.76/695,123.60
  6. Step 6: Final answer
    x = 818,736.60

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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.