Home / 1,401,324-1,934,142.12-917,608.20

Finding the Fourth Proportional to 1,401,324, 1,934,142.12 and 917,608.20

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Solution

The fourth proportional to 1,401,324, 1,934,142.12 and 917,608.20 is: 1,266,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,324 : 1,934,142.12 = 917,608.20 : x
  2. Step 2: Convert to fraction form
    1,401,324/1,934,142.12 = 917,608.20/x
  3. Step 3: Cross multiply
    1,401,324x = 1,934,142.12 × 917,608.20
  4. Step 4: Simplify right side
    1,401,324x = 1,774,784,669,277.38
  5. Step 5: Solve for x
    x = 1,774,784,669,277.38/1,401,324
  6. Step 6: Final answer
    x = 1,266,505.58

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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.