Home / 1,277,153.83-1,915,878.98-424,301.59

Finding the Fourth Proportional to 1,277,153.83, 1,915,878.98 and 424,301.59

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Solution

The fourth proportional to 1,277,153.83, 1,915,878.98 and 424,301.59 is: 636,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,153.83 : 1,915,878.98 = 424,301.59 : x
  2. Step 2: Convert to fraction form
    1,277,153.83/1,915,878.98 = 424,301.59/x
  3. Step 3: Cross multiply
    1,277,153.83x = 1,915,878.98 × 424,301.59
  4. Step 4: Simplify right side
    1,277,153.83x = 812,910,497,461.58
  5. Step 5: Solve for x
    x = 812,910,497,461.58/1,277,153.83
  6. Step 6: Final answer
    x = 636,501.63

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1.5x scale

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.