Home / 628,542.84-867,823.06-588,389.52

Finding the Fourth Proportional to 628,542.84, 867,823.06 and 588,389.52

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Solution

The fourth proportional to 628,542.84, 867,823.06 and 588,389.52 is: 812,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,542.84 : 867,823.06 = 588,389.52 : x
  2. Step 2: Convert to fraction form
    628,542.84/867,823.06 = 588,389.52/x
  3. Step 3: Cross multiply
    628,542.84x = 867,823.06 × 588,389.52
  4. Step 4: Simplify right side
    628,542.84x = 510,617,993,718.33
  5. Step 5: Solve for x
    x = 510,617,993,718.33/628,542.84
  6. Step 6: Final answer
    x = 812,383.76

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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.