Home / 816,019.80-1,223,252.10-636,005.40

Finding the Fourth Proportional to 816,019.80, 1,223,252.10 and 636,005.40

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Solution

The fourth proportional to 816,019.80, 1,223,252.10 and 636,005.40 is: 953,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,019.80 : 1,223,252.10 = 636,005.40 : x
  2. Step 2: Convert to fraction form
    816,019.80/1,223,252.10 = 636,005.40/x
  3. Step 3: Cross multiply
    816,019.80x = 1,223,252.10 × 636,005.40
  4. Step 4: Simplify right side
    816,019.80x = 777,994,941,161.34
  5. Step 5: Solve for x
    x = 777,994,941,161.34/816,019.80
  6. Step 6: Final answer
    x = 953,402.04

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1.5x scale

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.