Home / 885,756.53-1,222,382.90-498,596.93

Finding the Fourth Proportional to 885,756.53, 1,222,382.90 and 498,596.93

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Solution

The fourth proportional to 885,756.53, 1,222,382.90 and 498,596.93 is: 688,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,756.53 : 1,222,382.90 = 498,596.93 : x
  2. Step 2: Convert to fraction form
    885,756.53/1,222,382.90 = 498,596.93/x
  3. Step 3: Cross multiply
    885,756.53x = 1,222,382.90 × 498,596.93
  4. Step 4: Simplify right side
    885,756.53x = 609,476,352,619.60
  5. Step 5: Solve for x
    x = 609,476,352,619.60/885,756.53
  6. Step 6: Final answer
    x = 688,085.65

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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.