Home / 1,191,180.15-1,785,980.36-432,931.59

Finding the Fourth Proportional to 1,191,180.15, 1,785,980.36 and 432,931.59

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Solution

The fourth proportional to 1,191,180.15, 1,785,980.36 and 432,931.59 is: 649,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,180.15 : 1,785,980.36 = 432,931.59 : x
  2. Step 2: Convert to fraction form
    1,191,180.15/1,785,980.36 = 432,931.59/x
  3. Step 3: Cross multiply
    1,191,180.15x = 1,785,980.36 × 432,931.59
  4. Step 4: Simplify right side
    1,191,180.15x = 773,207,314,798.91
  5. Step 5: Solve for x
    x = 773,207,314,798.91/1,191,180.15
  6. Step 6: Final answer
    x = 649,110.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.