Home / 1,535,823.72-2,119,858.28-891,451.52

Finding the Fourth Proportional to 1,535,823.72, 2,119,858.28 and 891,451.52

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Solution

The fourth proportional to 1,535,823.72, 2,119,858.28 and 891,451.52 is: 1,230,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,823.72 : 2,119,858.28 = 891,451.52 : x
  2. Step 2: Convert to fraction form
    1,535,823.72/2,119,858.28 = 891,451.52/x
  3. Step 3: Cross multiply
    1,535,823.72x = 2,119,858.28 × 891,451.52
  4. Step 4: Simplify right side
    1,535,823.72x = 1,889,750,870,834.04
  5. Step 5: Solve for x
    x = 1,889,750,870,834.04/1,535,823.72
  6. Step 6: Final answer
    x = 1,230,447.77

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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.