Home / 661,984.40-993,106.20-282,904.40

Finding the Fourth Proportional to 661,984.40, 993,106.20 and 282,904.40

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Solution

The fourth proportional to 661,984.40, 993,106.20 and 282,904.40 is: 424,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,984.40 : 993,106.20 = 282,904.40 : x
  2. Step 2: Convert to fraction form
    661,984.40/993,106.20 = 282,904.40/x
  3. Step 3: Cross multiply
    661,984.40x = 993,106.20 × 282,904.40
  4. Step 4: Simplify right side
    661,984.40x = 280,954,113,647.28
  5. Step 5: Solve for x
    x = 280,954,113,647.28/661,984.40
  6. Step 6: Final answer
    x = 424,411.99

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Double scale
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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.