Home / 586,839.10-880,585.63-316,961.78

Finding the Fourth Proportional to 586,839.10, 880,585.63 and 316,961.78

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Solution

The fourth proportional to 586,839.10, 880,585.63 and 316,961.78 is: 475,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,839.10 : 880,585.63 = 316,961.78 : x
  2. Step 2: Convert to fraction form
    586,839.10/880,585.63 = 316,961.78/x
  3. Step 3: Cross multiply
    586,839.10x = 880,585.63 × 316,961.78
  4. Step 4: Simplify right side
    586,839.10x = 279,111,985,733.35
  5. Step 5: Solve for x
    x = 279,111,985,733.35/586,839.10
  6. Step 6: Final answer
    x = 475,619.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.