Home / 1,151,709.48-1,727,564.07-393,557.49

Finding the Fourth Proportional to 1,151,709.48, 1,727,564.07 and 393,557.49

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Solution

The fourth proportional to 1,151,709.48, 1,727,564.07 and 393,557.49 is: 590,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,709.48 : 1,727,564.07 = 393,557.49 : x
  2. Step 2: Convert to fraction form
    1,151,709.48/1,727,564.07 = 393,557.49/x
  3. Step 3: Cross multiply
    1,151,709.48x = 1,727,564.07 × 393,557.49
  4. Step 4: Simplify right side
    1,151,709.48x = 679,895,779,203.38
  5. Step 5: Solve for x
    x = 679,895,779,203.38/1,151,709.48
  6. Step 6: Final answer
    x = 590,336.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.