Home / 425,568.24-586,488.60-317,948.40

Finding the Fourth Proportional to 425,568.24, 586,488.60 and 317,948.40

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Solution

The fourth proportional to 425,568.24, 586,488.60 and 317,948.40 is: 438,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,568.24 : 586,488.60 = 317,948.40 : x
  2. Step 2: Convert to fraction form
    425,568.24/586,488.60 = 317,948.40/x
  3. Step 3: Cross multiply
    425,568.24x = 586,488.60 × 317,948.40
  4. Step 4: Simplify right side
    425,568.24x = 186,473,111,988.24
  5. Step 5: Solve for x
    x = 186,473,111,988.24/425,568.24
  6. Step 6: Final answer
    x = 438,174.41

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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.