Home / 1,011,888.16-1,396,350.72-559,150

Finding the Fourth Proportional to 1,011,888.16, 1,396,350.72 and 559,150

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Solution

The fourth proportional to 1,011,888.16, 1,396,350.72 and 559,150 is: 771,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,888.16 : 1,396,350.72 = 559,150 : x
  2. Step 2: Convert to fraction form
    1,011,888.16/1,396,350.72 = 559,150/x
  3. Step 3: Cross multiply
    1,011,888.16x = 1,396,350.72 × 559,150
  4. Step 4: Simplify right side
    1,011,888.16x = 780,769,505,088
  5. Step 5: Solve for x
    x = 780,769,505,088/1,011,888.16
  6. Step 6: Final answer
    x = 771,596.64

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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.