Home / 1,027,981.30-1,535,724.34-665,196.68

Finding the Fourth Proportional to 1,027,981.30, 1,535,724.34 and 665,196.68

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Solution

The fourth proportional to 1,027,981.30, 1,535,724.34 and 665,196.68 is: 993,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,981.30 : 1,535,724.34 = 665,196.68 : x
  2. Step 2: Convert to fraction form
    1,027,981.30/1,535,724.34 = 665,196.68/x
  3. Step 3: Cross multiply
    1,027,981.30x = 1,535,724.34 × 665,196.68
  4. Step 4: Simplify right side
    1,027,981.30x = 1,021,558,732,363.19
  5. Step 5: Solve for x
    x = 1,021,558,732,363.19/1,027,981.30
  6. Step 6: Final answer
    x = 993,752.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.