Home / 1,155,295.93-1,594,185.65-638,967.79

Finding the Fourth Proportional to 1,155,295.93, 1,594,185.65 and 638,967.79

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Solution

The fourth proportional to 1,155,295.93, 1,594,185.65 and 638,967.79 is: 881,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,295.93 : 1,594,185.65 = 638,967.79 : x
  2. Step 2: Convert to fraction form
    1,155,295.93/1,594,185.65 = 638,967.79/x
  3. Step 3: Cross multiply
    1,155,295.93x = 1,594,185.65 × 638,967.79
  4. Step 4: Simplify right side
    1,155,295.93x = 1,018,633,273,659.29
  5. Step 5: Solve for x
    x = 1,018,633,273,659.29/1,155,295.93
  6. Step 6: Final answer
    x = 881,707.66

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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.