Home / 1,205,515.04-1,807,014.96-406,521.86

Finding the Fourth Proportional to 1,205,515.04, 1,807,014.96 and 406,521.86

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Solution

The fourth proportional to 1,205,515.04, 1,807,014.96 and 406,521.86 is: 609,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,515.04 : 1,807,014.96 = 406,521.86 : x
  2. Step 2: Convert to fraction form
    1,205,515.04/1,807,014.96 = 406,521.86/x
  3. Step 3: Cross multiply
    1,205,515.04x = 1,807,014.96 × 406,521.86
  4. Step 4: Simplify right side
    1,205,515.04x = 734,591,073,551.95
  5. Step 5: Solve for x
    x = 734,591,073,551.95/1,205,515.04
  6. Step 6: Final answer
    x = 609,358.70

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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.