Home / 714,934.80-1,071,855.45-360,203.40

Finding the Fourth Proportional to 714,934.80, 1,071,855.45 and 360,203.40

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Solution

The fourth proportional to 714,934.80, 1,071,855.45 and 360,203.40 is: 540,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,934.80 : 1,071,855.45 = 360,203.40 : x
  2. Step 2: Convert to fraction form
    714,934.80/1,071,855.45 = 360,203.40/x
  3. Step 3: Cross multiply
    714,934.80x = 1,071,855.45 × 360,203.40
  4. Step 4: Simplify right side
    714,934.80x = 386,085,977,398.53
  5. Step 5: Solve for x
    x = 386,085,977,398.53/714,934.80
  6. Step 6: Final answer
    x = 540,029.63

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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.