Home / 877,820.67-1,211,491.08-495,872.01

Finding the Fourth Proportional to 877,820.67, 1,211,491.08 and 495,872.01

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Solution

The fourth proportional to 877,820.67, 1,211,491.08 and 495,872.01 is: 684,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,820.67 : 1,211,491.08 = 495,872.01 : x
  2. Step 2: Convert to fraction form
    877,820.67/1,211,491.08 = 495,872.01/x
  3. Step 3: Cross multiply
    877,820.67x = 1,211,491.08 × 495,872.01
  4. Step 4: Simplify right side
    877,820.67x = 600,744,516,936.67
  5. Step 5: Solve for x
    x = 600,744,516,936.67/877,820.67
  6. Step 6: Final answer
    x = 684,359.05

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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.