Home / 885,756.14-1,222,382.38-498,596.54

Finding the Fourth Proportional to 885,756.14, 1,222,382.38 and 498,596.54

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Solution

The fourth proportional to 885,756.14, 1,222,382.38 and 498,596.54 is: 688,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,756.14 : 1,222,382.38 = 498,596.54 : x
  2. Step 2: Convert to fraction form
    885,756.14/1,222,382.38 = 498,596.54/x
  3. Step 3: Cross multiply
    885,756.14x = 1,222,382.38 × 498,596.54
  4. Step 4: Simplify right side
    885,756.14x = 609,475,625,224.97
  5. Step 5: Solve for x
    x = 609,475,625,224.97/885,756.14
  6. Step 6: Final answer
    x = 688,085.13

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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.