Home / 589,088.24-813,421.17-480,209.66

Finding the Fourth Proportional to 589,088.24, 813,421.17 and 480,209.66

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Solution

The fourth proportional to 589,088.24, 813,421.17 and 480,209.66 is: 663,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,088.24 : 813,421.17 = 480,209.66 : x
  2. Step 2: Convert to fraction form
    589,088.24/813,421.17 = 480,209.66/x
  3. Step 3: Cross multiply
    589,088.24x = 813,421.17 × 480,209.66
  4. Step 4: Simplify right side
    589,088.24x = 390,612,703,482.50
  5. Step 5: Solve for x
    x = 390,612,703,482.50/589,088.24
  6. Step 6: Final answer
    x = 663,080.12

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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.