Home / 676,017.36-1,018,771.28-608,616.72

Finding the Fourth Proportional to 676,017.36, 1,018,771.28 and 608,616.72

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Solution

The fourth proportional to 676,017.36, 1,018,771.28 and 608,616.72 is: 917,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,017.36 : 1,018,771.28 = 608,616.72 : x
  2. Step 2: Convert to fraction form
    676,017.36/1,018,771.28 = 608,616.72/x
  3. Step 3: Cross multiply
    676,017.36x = 1,018,771.28 × 608,616.72
  4. Step 4: Simplify right side
    676,017.36x = 620,041,234,863.80
  5. Step 5: Solve for x
    x = 620,041,234,863.80/676,017.36
  6. Step 6: Final answer
    x = 917,197.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.