Home / 1,186,898-1,637,919.28-650,342.48

Finding the Fourth Proportional to 1,186,898, 1,637,919.28 and 650,342.48

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Solution

The fourth proportional to 1,186,898, 1,637,919.28 and 650,342.48 is: 897,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,898 : 1,637,919.28 = 650,342.48 : x
  2. Step 2: Convert to fraction form
    1,186,898/1,637,919.28 = 650,342.48/x
  3. Step 3: Cross multiply
    1,186,898x = 1,637,919.28 × 650,342.48
  4. Step 4: Simplify right side
    1,186,898x = 1,065,208,486,595.01
  5. Step 5: Solve for x
    x = 1,065,208,486,595.01/1,186,898
  6. Step 6: Final answer
    x = 897,472.64

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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.