Home / 559,500.18-772,088.58-304,853.28

Finding the Fourth Proportional to 559,500.18, 772,088.58 and 304,853.28

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Solution

The fourth proportional to 559,500.18, 772,088.58 and 304,853.28 is: 420,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,500.18 : 772,088.58 = 304,853.28 : x
  2. Step 2: Convert to fraction form
    559,500.18/772,088.58 = 304,853.28/x
  3. Step 3: Cross multiply
    559,500.18x = 772,088.58 × 304,853.28
  4. Step 4: Simplify right side
    559,500.18x = 235,373,736,063.54
  5. Step 5: Solve for x
    x = 235,373,736,063.54/559,500.18
  6. Step 6: Final answer
    x = 420,685.72

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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.