Home / 589,089.03-813,422.24-480,210.45

Finding the Fourth Proportional to 589,089.03, 813,422.24 and 480,210.45

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Solution

The fourth proportional to 589,089.03, 813,422.24 and 480,210.45 is: 663,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,089.03 : 813,422.24 = 480,210.45 : x
  2. Step 2: Convert to fraction form
    589,089.03/813,422.24 = 480,210.45/x
  3. Step 3: Cross multiply
    589,089.03x = 813,422.24 × 480,210.45
  4. Step 4: Simplify right side
    589,089.03x = 390,613,859,910.41
  5. Step 5: Solve for x
    x = 390,613,859,910.41/589,089.03
  6. Step 6: Final answer
    x = 663,081.20

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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.