Home / 579,212.16-868,605.12-200,036.40

Finding the Fourth Proportional to 579,212.16, 868,605.12 and 200,036.40

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Solution

The fourth proportional to 579,212.16, 868,605.12 and 200,036.40 is: 299,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,212.16 : 868,605.12 = 200,036.40 : x
  2. Step 2: Convert to fraction form
    579,212.16/868,605.12 = 200,036.40/x
  3. Step 3: Cross multiply
    579,212.16x = 868,605.12 × 200,036.40
  4. Step 4: Simplify right side
    579,212.16x = 173,752,641,226.37
  5. Step 5: Solve for x
    x = 173,752,641,226.37/579,212.16
  6. Step 6: Final answer
    x = 299,981.00

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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.