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Finding the Fourth Proportional to 657,777.60, 984,698.10 and 586,918.80

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Solution

The fourth proportional to 657,777.60, 984,698.10 and 586,918.80 is: 878,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,777.60 : 984,698.10 = 586,918.80 : x
  2. Step 2: Convert to fraction form
    657,777.60/984,698.10 = 586,918.80/x
  3. Step 3: Cross multiply
    657,777.60x = 984,698.10 × 586,918.80
  4. Step 4: Simplify right side
    657,777.60x = 577,937,827,214.28
  5. Step 5: Solve for x
    x = 577,937,827,214.28/657,777.60
  6. Step 6: Final answer
    x = 878,621.93

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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.