Home / 1,184,856.93-1,635,095.16-640,990.53

Finding the Fourth Proportional to 1,184,856.93, 1,635,095.16 and 640,990.53

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Solution

The fourth proportional to 1,184,856.93, 1,635,095.16 and 640,990.53 is: 884,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,856.93 : 1,635,095.16 = 640,990.53 : x
  2. Step 2: Convert to fraction form
    1,184,856.93/1,635,095.16 = 640,990.53/x
  3. Step 3: Cross multiply
    1,184,856.93x = 1,635,095.16 × 640,990.53
  4. Step 4: Simplify right side
    1,184,856.93x = 1,048,080,513,208.83
  5. Step 5: Solve for x
    x = 1,048,080,513,208.83/1,184,856.93
  6. Step 6: Final answer
    x = 884,562.93

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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.