Home / 1,196,345.82-1,650,023.67-766,665.93

Finding the Fourth Proportional to 1,196,345.82, 1,650,023.67 and 766,665.93

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Solution

The fourth proportional to 1,196,345.82, 1,650,023.67 and 766,665.93 is: 1,057,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,345.82 : 1,650,023.67 = 766,665.93 : x
  2. Step 2: Convert to fraction form
    1,196,345.82/1,650,023.67 = 766,665.93/x
  3. Step 3: Cross multiply
    1,196,345.82x = 1,650,023.67 × 766,665.93
  4. Step 4: Simplify right side
    1,196,345.82x = 1,265,016,931,482.56
  5. Step 5: Solve for x
    x = 1,265,016,931,482.56/1,196,345.82
  6. Step 6: Final answer
    x = 1,057,400.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.