Home / 826,547.38-1,238,637.25-470,826.97

Finding the Fourth Proportional to 826,547.38, 1,238,637.25 and 470,826.97

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Solution

The fourth proportional to 826,547.38, 1,238,637.25 and 470,826.97 is: 705,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,547.38 : 1,238,637.25 = 470,826.97 : x
  2. Step 2: Convert to fraction form
    826,547.38/1,238,637.25 = 470,826.97/x
  3. Step 3: Cross multiply
    826,547.38x = 1,238,637.25 × 470,826.97
  4. Step 4: Simplify right side
    826,547.38x = 583,183,823,346.63
  5. Step 5: Solve for x
    x = 583,183,823,346.63/826,547.38
  6. Step 6: Final answer
    x = 705,566.11

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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.