Home / 646,217.50-968,877.38-286,192.17

Finding the Fourth Proportional to 646,217.50, 968,877.38 and 286,192.17

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Solution

The fourth proportional to 646,217.50, 968,877.38 and 286,192.17 is: 429,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,217.50 : 968,877.38 = 286,192.17 : x
  2. Step 2: Convert to fraction form
    646,217.50/968,877.38 = 286,192.17/x
  3. Step 3: Cross multiply
    646,217.50x = 968,877.38 × 286,192.17
  4. Step 4: Simplify right side
    646,217.50x = 277,285,113,570.77
  5. Step 5: Solve for x
    x = 277,285,113,570.77/646,217.50
  6. Step 6: Final answer
    x = 429,089.45

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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.