Home / 859,773.44-1,186,476.72-497,187.20

Finding the Fourth Proportional to 859,773.44, 1,186,476.72 and 497,187.20

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Solution

The fourth proportional to 859,773.44, 1,186,476.72 and 497,187.20 is: 686,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,773.44 : 1,186,476.72 = 497,187.20 : x
  2. Step 2: Convert to fraction form
    859,773.44/1,186,476.72 = 497,187.20/x
  3. Step 3: Cross multiply
    859,773.44x = 1,186,476.72 × 497,187.20
  4. Step 4: Simplify right side
    859,773.44x = 589,901,038,281.98
  5. Step 5: Solve for x
    x = 589,901,038,281.98/859,773.44
  6. Step 6: Final answer
    x = 686,112.19

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Double scale
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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.