Home / 1,257,220.01-1,886,111.16-458,501.59

Finding the Fourth Proportional to 1,257,220.01, 1,886,111.16 and 458,501.59

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Solution

The fourth proportional to 1,257,220.01, 1,886,111.16 and 458,501.59 is: 687,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,220.01 : 1,886,111.16 = 458,501.59 : x
  2. Step 2: Convert to fraction form
    1,257,220.01/1,886,111.16 = 458,501.59/x
  3. Step 3: Cross multiply
    1,257,220.01x = 1,886,111.16 × 458,501.59
  4. Step 4: Simplify right side
    1,257,220.01x = 864,784,961,061.47
  5. Step 5: Solve for x
    x = 864,784,961,061.47/1,257,220.01
  6. Step 6: Final answer
    x = 687,854.92

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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.