Home / 617,160.15-851,337.95-359,008.05

Finding the Fourth Proportional to 617,160.15, 851,337.95 and 359,008.05

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Solution

The fourth proportional to 617,160.15, 851,337.95 and 359,008.05 is: 495,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,160.15 : 851,337.95 = 359,008.05 : x
  2. Step 2: Convert to fraction form
    617,160.15/851,337.95 = 359,008.05/x
  3. Step 3: Cross multiply
    617,160.15x = 851,337.95 × 359,008.05
  4. Step 4: Simplify right side
    617,160.15x = 305,637,175,525.46
  5. Step 5: Solve for x
    x = 305,637,175,525.46/617,160.15
  6. Step 6: Final answer
    x = 495,231.55

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1.5x scale

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.