Home / 1,170,072.10-1,755,302.55-460,123.30

Finding the Fourth Proportional to 1,170,072.10, 1,755,302.55 and 460,123.30

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Solution

The fourth proportional to 1,170,072.10, 1,755,302.55 and 460,123.30 is: 690,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072.10 : 1,755,302.55 = 460,123.30 : x
  2. Step 2: Convert to fraction form
    1,170,072.10/1,755,302.55 = 460,123.30/x
  3. Step 3: Cross multiply
    1,170,072.10x = 1,755,302.55 × 460,123.30
  4. Step 4: Simplify right side
    1,170,072.10x = 807,655,601,804.42
  5. Step 5: Solve for x
    x = 807,655,601,804.42/1,170,072.10
  6. Step 6: Final answer
    x = 690,261.40

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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.