Home / 1,854,864.40-2,782,484.52-640,282.72

Finding the Fourth Proportional to 1,854,864.40, 2,782,484.52 and 640,282.72

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Solution

The fourth proportional to 1,854,864.40, 2,782,484.52 and 640,282.72 is: 960,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,864.40 : 2,782,484.52 = 640,282.72 : x
  2. Step 2: Convert to fraction form
    1,854,864.40/2,782,484.52 = 640,282.72/x
  3. Step 3: Cross multiply
    1,854,864.40x = 2,782,484.52 × 640,282.72
  4. Step 4: Simplify right side
    1,854,864.40x = 1,781,576,756,823.49
  5. Step 5: Solve for x
    x = 1,781,576,756,823.49/1,854,864.40
  6. Step 6: Final answer
    x = 960,488.95

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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.