Home / 1,152,261.50-1,590,121.01-636,015.57

Finding the Fourth Proportional to 1,152,261.50, 1,590,121.01 and 636,015.57

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Solution

The fourth proportional to 1,152,261.50, 1,590,121.01 and 636,015.57 is: 877,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,261.50 : 1,590,121.01 = 636,015.57 : x
  2. Step 2: Convert to fraction form
    1,152,261.50/1,590,121.01 = 636,015.57/x
  3. Step 3: Cross multiply
    1,152,261.50x = 1,590,121.01 × 636,015.57
  4. Step 4: Simplify right side
    1,152,261.50x = 1,011,341,720,544.13
  5. Step 5: Solve for x
    x = 1,011,341,720,544.13/1,152,261.50
  6. Step 6: Final answer
    x = 877,701.56

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1.5x scale

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.