Home / 922,780.45-1,273,440.55-514,899.49

Finding the Fourth Proportional to 922,780.45, 1,273,440.55 and 514,899.49

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Solution

The fourth proportional to 922,780.45, 1,273,440.55 and 514,899.49 is: 710,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,780.45 : 1,273,440.55 = 514,899.49 : x
  2. Step 2: Convert to fraction form
    922,780.45/1,273,440.55 = 514,899.49/x
  3. Step 3: Cross multiply
    922,780.45x = 1,273,440.55 × 514,899.49
  4. Step 4: Simplify right side
    922,780.45x = 655,693,884,473.57
  5. Step 5: Solve for x
    x = 655,693,884,473.57/922,780.45
  6. Step 6: Final answer
    x = 710,563.26

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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.