Home / 1,124,189.49-1,686,306.12-413,851.89

Finding the Fourth Proportional to 1,124,189.49, 1,686,306.12 and 413,851.89

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Solution

The fourth proportional to 1,124,189.49, 1,686,306.12 and 413,851.89 is: 620,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,189.49 : 1,686,306.12 = 413,851.89 : x
  2. Step 2: Convert to fraction form
    1,124,189.49/1,686,306.12 = 413,851.89/x
  3. Step 3: Cross multiply
    1,124,189.49x = 1,686,306.12 × 413,851.89
  4. Step 4: Simplify right side
    1,124,189.49x = 697,880,974,880.57
  5. Step 5: Solve for x
    x = 697,880,974,880.57/1,124,189.49
  6. Step 6: Final answer
    x = 620,785.89

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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.