Home / 1,203,210.72-1,804,818.51-493,111.26

Finding the Fourth Proportional to 1,203,210.72, 1,804,818.51 and 493,111.26

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Solution

The fourth proportional to 1,203,210.72, 1,804,818.51 and 493,111.26 is: 739,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,210.72 : 1,804,818.51 = 493,111.26 : x
  2. Step 2: Convert to fraction form
    1,203,210.72/1,804,818.51 = 493,111.26/x
  3. Step 3: Cross multiply
    1,203,210.72x = 1,804,818.51 × 493,111.26
  4. Step 4: Simplify right side
    1,203,210.72x = 889,976,329,537.42
  5. Step 5: Solve for x
    x = 889,976,329,537.42/1,203,210.72
  6. Step 6: Final answer
    x = 739,667.89

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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.