Home / 1,421,150.60-1,961,164.05-776,555.93

Finding the Fourth Proportional to 1,421,150.60, 1,961,164.05 and 776,555.93

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Solution

The fourth proportional to 1,421,150.60, 1,961,164.05 and 776,555.93 is: 1,071,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,150.60 : 1,961,164.05 = 776,555.93 : x
  2. Step 2: Convert to fraction form
    1,421,150.60/1,961,164.05 = 776,555.93/x
  3. Step 3: Cross multiply
    1,421,150.60x = 1,961,164.05 × 776,555.93
  4. Step 4: Simplify right side
    1,421,150.60x = 1,522,953,572,730.32
  5. Step 5: Solve for x
    x = 1,522,953,572,730.32/1,421,150.60
  6. Step 6: Final answer
    x = 1,071,634.19

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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.