Home / 1,185,983.64-1,779,393.06-788,203.80

Finding the Fourth Proportional to 1,185,983.64, 1,779,393.06 and 788,203.80

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Solution

The fourth proportional to 1,185,983.64, 1,779,393.06 and 788,203.80 is: 1,182,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,983.64 : 1,779,393.06 = 788,203.80 : x
  2. Step 2: Convert to fraction form
    1,185,983.64/1,779,393.06 = 788,203.80/x
  3. Step 3: Cross multiply
    1,185,983.64x = 1,779,393.06 × 788,203.80
  4. Step 4: Simplify right side
    1,185,983.64x = 1,402,524,371,585.63
  5. Step 5: Solve for x
    x = 1,402,524,371,585.63/1,185,983.64
  6. Step 6: Final answer
    x = 1,182,583.24

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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.