Home / 838,527.80-1,257,864.60-269,966.12

Finding the Fourth Proportional to 838,527.80, 1,257,864.60 and 269,966.12

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Solution

The fourth proportional to 838,527.80, 1,257,864.60 and 269,966.12 is: 404,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,527.80 : 1,257,864.60 = 269,966.12 : x
  2. Step 2: Convert to fraction form
    838,527.80/1,257,864.60 = 269,966.12/x
  3. Step 3: Cross multiply
    838,527.80x = 1,257,864.60 × 269,966.12
  4. Step 4: Simplify right side
    838,527.80x = 339,580,825,547.35
  5. Step 5: Solve for x
    x = 339,580,825,547.35/838,527.80
  6. Step 6: Final answer
    x = 404,972.65

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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.