Home / 875,372.28-1,313,198.40-369,938.16

Finding the Fourth Proportional to 875,372.28, 1,313,198.40 and 369,938.16

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Solution

The fourth proportional to 875,372.28, 1,313,198.40 and 369,938.16 is: 554,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,372.28 : 1,313,198.40 = 369,938.16 : x
  2. Step 2: Convert to fraction form
    875,372.28/1,313,198.40 = 369,938.16/x
  3. Step 3: Cross multiply
    875,372.28x = 1,313,198.40 × 369,938.16
  4. Step 4: Simplify right side
    875,372.28x = 485,802,199,810.94
  5. Step 5: Solve for x
    x = 485,802,199,810.94/875,372.28
  6. Step 6: Final answer
    x = 554,966.40

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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.