Home / 1,257,156.45-1,735,058.75-705,934.04

Finding the Fourth Proportional to 1,257,156.45, 1,735,058.75 and 705,934.04

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Solution

The fourth proportional to 1,257,156.45, 1,735,058.75 and 705,934.04 is: 974,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,156.45 : 1,735,058.75 = 705,934.04 : x
  2. Step 2: Convert to fraction form
    1,257,156.45/1,735,058.75 = 705,934.04/x
  3. Step 3: Cross multiply
    1,257,156.45x = 1,735,058.75 × 705,934.04
  4. Step 4: Simplify right side
    1,257,156.45x = 1,224,837,020,819.89
  5. Step 5: Solve for x
    x = 1,224,837,020,819.89/1,257,156.45
  6. Step 6: Final answer
    x = 974,291.64

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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.