Home / 661,933.89-993,320.55-282,857.40

Finding the Fourth Proportional to 661,933.89, 993,320.55 and 282,857.40

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Solution

The fourth proportional to 661,933.89, 993,320.55 and 282,857.40 is: 424,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,933.89 : 993,320.55 = 282,857.40 : x
  2. Step 2: Convert to fraction form
    661,933.89/993,320.55 = 282,857.40/x
  3. Step 3: Cross multiply
    661,933.89x = 993,320.55 × 282,857.40
  4. Step 4: Simplify right side
    661,933.89x = 280,968,068,139.57
  5. Step 5: Solve for x
    x = 280,968,068,139.57/661,933.89
  6. Step 6: Final answer
    x = 424,465.45

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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.