Home / 885,751.74-1,222,376.32-498,592.15

Finding the Fourth Proportional to 885,751.74, 1,222,376.32 and 498,592.15

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Solution

The fourth proportional to 885,751.74, 1,222,376.32 and 498,592.15 is: 688,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,751.74 : 1,222,376.32 = 498,592.15 : x
  2. Step 2: Convert to fraction form
    885,751.74/1,222,376.32 = 498,592.15/x
  3. Step 3: Cross multiply
    885,751.74x = 1,222,376.32 × 498,592.15
  4. Step 4: Simplify right side
    885,751.74x = 609,467,233,696.78
  5. Step 5: Solve for x
    x = 609,467,233,696.78/885,751.74
  6. Step 6: Final answer
    x = 688,079.07

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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.