Home / 1,151,438.96-1,590,225-876,574.64

Finding the Fourth Proportional to 1,151,438.96, 1,590,225 and 876,574.64

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Solution

The fourth proportional to 1,151,438.96, 1,590,225 and 876,574.64 is: 1,210,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,438.96 : 1,590,225 = 876,574.64 : x
  2. Step 2: Convert to fraction form
    1,151,438.96/1,590,225 = 876,574.64/x
  3. Step 3: Cross multiply
    1,151,438.96x = 1,590,225 × 876,574.64
  4. Step 4: Simplify right side
    1,151,438.96x = 1,393,950,906,894
  5. Step 5: Solve for x
    x = 1,393,950,906,894/1,151,438.96
  6. Step 6: Final answer
    x = 1,210,616.42

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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.