Home / 1,219,345.59-1,828,576.59-409,487.71

Finding the Fourth Proportional to 1,219,345.59, 1,828,576.59 and 409,487.71

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Solution

The fourth proportional to 1,219,345.59, 1,828,576.59 and 409,487.71 is: 614,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,345.59 : 1,828,576.59 = 409,487.71 : x
  2. Step 2: Convert to fraction form
    1,219,345.59/1,828,576.59 = 409,487.71/x
  3. Step 3: Cross multiply
    1,219,345.59x = 1,828,576.59 × 409,487.71
  4. Step 4: Simplify right side
    1,219,345.59x = 748,779,631,255.83
  5. Step 5: Solve for x
    x = 748,779,631,255.83/1,219,345.59
  6. Step 6: Final answer
    x = 614,083.19

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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.