Home / 1,225,853.70-1,838,780.55-384,404.10

Finding the Fourth Proportional to 1,225,853.70, 1,838,780.55 and 384,404.10

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Solution

The fourth proportional to 1,225,853.70, 1,838,780.55 and 384,404.10 is: 576,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,853.70 : 1,838,780.55 = 384,404.10 : x
  2. Step 2: Convert to fraction form
    1,225,853.70/1,838,780.55 = 384,404.10/x
  3. Step 3: Cross multiply
    1,225,853.70x = 1,838,780.55 × 384,404.10
  4. Step 4: Simplify right side
    1,225,853.70x = 706,834,782,420.26
  5. Step 5: Solve for x
    x = 706,834,782,420.26/1,225,853.70
  6. Step 6: Final answer
    x = 576,606.15

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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.