Home / 1,006,642.33-1,509,768.53-391,145.23

Finding the Fourth Proportional to 1,006,642.33, 1,509,768.53 and 391,145.23

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Solution

The fourth proportional to 1,006,642.33, 1,509,768.53 and 391,145.23 is: 586,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,642.33 : 1,509,768.53 = 391,145.23 : x
  2. Step 2: Convert to fraction form
    1,006,642.33/1,509,768.53 = 391,145.23/x
  3. Step 3: Cross multiply
    1,006,642.33x = 1,509,768.53 × 391,145.23
  4. Step 4: Simplify right side
    1,006,642.33x = 590,538,753,183.46
  5. Step 5: Solve for x
    x = 590,538,753,183.46/1,006,642.33
  6. Step 6: Final answer
    x = 586,642.08

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Double scale
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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.