Home / 1,184,364.38-1,634,435.75-640,510.79

Finding the Fourth Proportional to 1,184,364.38, 1,634,435.75 and 640,510.79

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Solution

The fourth proportional to 1,184,364.38, 1,634,435.75 and 640,510.79 is: 883,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,364.38 : 1,634,435.75 = 640,510.79 : x
  2. Step 2: Convert to fraction form
    1,184,364.38/1,634,435.75 = 640,510.79/x
  3. Step 3: Cross multiply
    1,184,364.38x = 1,634,435.75 × 640,510.79
  4. Step 4: Simplify right side
    1,184,364.38x = 1,046,873,722,062.01
  5. Step 5: Solve for x
    x = 1,046,873,722,062.01/1,184,364.38
  6. Step 6: Final answer
    x = 883,911.86

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1.5x scale

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.