Home / 1,277,925.16-1,916,168.46-424,540

Finding the Fourth Proportional to 1,277,925.16, 1,916,168.46 and 424,540

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Solution

The fourth proportional to 1,277,925.16, 1,916,168.46 and 424,540 is: 636,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,925.16 : 1,916,168.46 = 424,540 : x
  2. Step 2: Convert to fraction form
    1,277,925.16/1,916,168.46 = 424,540/x
  3. Step 3: Cross multiply
    1,277,925.16x = 1,916,168.46 × 424,540
  4. Step 4: Simplify right side
    1,277,925.16x = 813,490,158,008.40
  5. Step 5: Solve for x
    x = 813,490,158,008.40/1,277,925.16
  6. Step 6: Final answer
    x = 636,571.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.