Home / 1,199,433.60-1,655,280-690,212.16

Finding the Fourth Proportional to 1,199,433.60, 1,655,280 and 690,212.16

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Solution

The fourth proportional to 1,199,433.60, 1,655,280 and 690,212.16 is: 952,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,433.60 : 1,655,280 = 690,212.16 : x
  2. Step 2: Convert to fraction form
    1,199,433.60/1,655,280 = 690,212.16/x
  3. Step 3: Cross multiply
    1,199,433.60x = 1,655,280 × 690,212.16
  4. Step 4: Simplify right side
    1,199,433.60x = 1,142,494,384,204.80
  5. Step 5: Solve for x
    x = 1,142,494,384,204.80/1,199,433.60
  6. Step 6: Final answer
    x = 952,528.25

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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.