Home / 991,165.36-1,367,813.64-609,441.52

Finding the Fourth Proportional to 991,165.36, 1,367,813.64 and 609,441.52

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Solution

The fourth proportional to 991,165.36, 1,367,813.64 and 609,441.52 is: 841,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,165.36 : 1,367,813.64 = 609,441.52 : x
  2. Step 2: Convert to fraction form
    991,165.36/1,367,813.64 = 609,441.52/x
  3. Step 3: Cross multiply
    991,165.36x = 1,367,813.64 × 609,441.52
  4. Step 4: Simplify right side
    991,165.36x = 833,602,423,838.33
  5. Step 5: Solve for x
    x = 833,602,423,838.33/991,165.36
  6. Step 6: Final answer
    x = 841,032.64

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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.