Home / 1,277,158.84-1,915,886.48-424,306.60

Finding the Fourth Proportional to 1,277,158.84, 1,915,886.48 and 424,306.60

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Solution

The fourth proportional to 1,277,158.84, 1,915,886.48 and 424,306.60 is: 636,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,158.84 : 1,915,886.48 = 424,306.60 : x
  2. Step 2: Convert to fraction form
    1,277,158.84/1,915,886.48 = 424,306.60/x
  3. Step 3: Cross multiply
    1,277,158.84x = 1,915,886.48 × 424,306.60
  4. Step 4: Simplify right side
    1,277,158.84x = 812,923,278,314.77
  5. Step 5: Solve for x
    x = 812,923,278,314.77/1,277,158.84
  6. Step 6: Final answer
    x = 636,509.14

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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.