Home / 922,780.75-1,273,440.96-514,899.78

Finding the Fourth Proportional to 922,780.75, 1,273,440.96 and 514,899.78

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Solution

The fourth proportional to 922,780.75, 1,273,440.96 and 514,899.78 is: 710,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,780.75 : 1,273,440.96 = 514,899.78 : x
  2. Step 2: Convert to fraction form
    922,780.75/1,273,440.96 = 514,899.78/x
  3. Step 3: Cross multiply
    922,780.75x = 1,273,440.96 × 514,899.78
  4. Step 4: Simplify right side
    922,780.75x = 655,694,473,474.24
  5. Step 5: Solve for x
    x = 655,694,473,474.24/922,780.75
  6. Step 6: Final answer
    x = 710,563.67

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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.