Home / 404,946.40-607,966.80-236,639.20

Finding the Fourth Proportional to 404,946.40, 607,966.80 and 236,639.20

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Solution

The fourth proportional to 404,946.40, 607,966.80 and 236,639.20 is: 355,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,946.40 : 607,966.80 = 236,639.20 : x
  2. Step 2: Convert to fraction form
    404,946.40/607,966.80 = 236,639.20/x
  3. Step 3: Cross multiply
    404,946.40x = 607,966.80 × 236,639.20
  4. Step 4: Simplify right side
    404,946.40x = 143,868,777,178.56
  5. Step 5: Solve for x
    x = 143,868,777,178.56/404,946.40
  6. Step 6: Final answer
    x = 355,278.57

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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.