Home / 648,598.98-968,640.14-552,808.38

Finding the Fourth Proportional to 648,598.98, 968,640.14 and 552,808.38

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Solution

The fourth proportional to 648,598.98, 968,640.14 and 552,808.38 is: 825,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,598.98 : 968,640.14 = 552,808.38 : x
  2. Step 2: Convert to fraction form
    648,598.98/968,640.14 = 552,808.38/x
  3. Step 3: Cross multiply
    648,598.98x = 968,640.14 × 552,808.38
  4. Step 4: Simplify right side
    648,598.98x = 535,472,386,596.37
  5. Step 5: Solve for x
    x = 535,472,386,596.37/648,598.98
  6. Step 6: Final answer
    x = 825,583.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.