Home / 1,286,047.15-1,774,581.94-705,117.41

Finding the Fourth Proportional to 1,286,047.15, 1,774,581.94 and 705,117.41

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Solution

The fourth proportional to 1,286,047.15, 1,774,581.94 and 705,117.41 is: 972,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,047.15 : 1,774,581.94 = 705,117.41 : x
  2. Step 2: Convert to fraction form
    1,286,047.15/1,774,581.94 = 705,117.41/x
  3. Step 3: Cross multiply
    1,286,047.15x = 1,774,581.94 × 705,117.41
  4. Step 4: Simplify right side
    1,286,047.15x = 1,251,288,612,492.67
  5. Step 5: Solve for x
    x = 1,251,288,612,492.67/1,286,047.15
  6. Step 6: Final answer
    x = 972,972.58

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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.