Home / 885,516.13-1,328,442.58-613,111.10

Finding the Fourth Proportional to 885,516.13, 1,328,442.58 and 613,111.10

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Solution

The fourth proportional to 885,516.13, 1,328,442.58 and 613,111.10 is: 919,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,516.13 : 1,328,442.58 = 613,111.10 : x
  2. Step 2: Convert to fraction form
    885,516.13/1,328,442.58 = 613,111.10/x
  3. Step 3: Cross multiply
    885,516.13x = 1,328,442.58 × 613,111.10
  4. Step 4: Simplify right side
    885,516.13x = 814,482,885,922.31
  5. Step 5: Solve for x
    x = 814,482,885,922.31/885,516.13
  6. Step 6: Final answer
    x = 919,783.23

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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.