Home / 1,277,152.83-1,915,877.48-424,300.59

Finding the Fourth Proportional to 1,277,152.83, 1,915,877.48 and 424,300.59

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Solution

The fourth proportional to 1,277,152.83, 1,915,877.48 and 424,300.59 is: 636,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,152.83 : 1,915,877.48 = 424,300.59 : x
  2. Step 2: Convert to fraction form
    1,277,152.83/1,915,877.48 = 424,300.59/x
  3. Step 3: Cross multiply
    1,277,152.83x = 1,915,877.48 × 424,300.59
  4. Step 4: Simplify right side
    1,277,152.83x = 812,907,943,010.21
  5. Step 5: Solve for x
    x = 812,907,943,010.21/1,277,152.83
  6. Step 6: Final answer
    x = 636,500.13

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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.