Home / 690,576.85-953,143.10-464,091.13

Finding the Fourth Proportional to 690,576.85, 953,143.10 and 464,091.13

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Solution

The fourth proportional to 690,576.85, 953,143.10 and 464,091.13 is: 640,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,576.85 : 953,143.10 = 464,091.13 : x
  2. Step 2: Convert to fraction form
    690,576.85/953,143.10 = 464,091.13/x
  3. Step 3: Cross multiply
    690,576.85x = 953,143.10 × 464,091.13
  4. Step 4: Simplify right side
    690,576.85x = 442,345,258,330.70
  5. Step 5: Solve for x
    x = 442,345,258,330.70/690,576.85
  6. Step 6: Final answer
    x = 640,544.58

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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.