Home / 1,101,355.79-1,652,033.68-391,411.85

Finding the Fourth Proportional to 1,101,355.79, 1,652,033.68 and 391,411.85

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Solution

The fourth proportional to 1,101,355.79, 1,652,033.68 and 391,411.85 is: 587,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,355.79 : 1,652,033.68 = 391,411.85 : x
  2. Step 2: Convert to fraction form
    1,101,355.79/1,652,033.68 = 391,411.85/x
  3. Step 3: Cross multiply
    1,101,355.79x = 1,652,033.68 × 391,411.85
  4. Step 4: Simplify right side
    1,101,355.79x = 646,625,549,712.41
  5. Step 5: Solve for x
    x = 646,625,549,712.41/1,101,355.79
  6. Step 6: Final answer
    x = 587,117.77

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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.