Home / 637,616.80-879,913.74-382,972.24

Finding the Fourth Proportional to 637,616.80, 879,913.74 and 382,972.24

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Solution

The fourth proportional to 637,616.80, 879,913.74 and 382,972.24 is: 528,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,616.80 : 879,913.74 = 382,972.24 : x
  2. Step 2: Convert to fraction form
    637,616.80/879,913.74 = 382,972.24/x
  3. Step 3: Cross multiply
    637,616.80x = 879,913.74 × 382,972.24
  4. Step 4: Simplify right side
    637,616.80x = 336,982,536,014.58
  5. Step 5: Solve for x
    x = 336,982,536,014.58/637,616.80
  6. Step 6: Final answer
    x = 528,503.23

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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.