Home / 540,985.53-811,552.14-225,368.64

Finding the Fourth Proportional to 540,985.53, 811,552.14 and 225,368.64

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Solution

The fourth proportional to 540,985.53, 811,552.14 and 225,368.64 is: 338,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,985.53 : 811,552.14 = 225,368.64 : x
  2. Step 2: Convert to fraction form
    540,985.53/811,552.14 = 225,368.64/x
  3. Step 3: Cross multiply
    540,985.53x = 811,552.14 × 225,368.64
  4. Step 4: Simplify right side
    540,985.53x = 182,898,402,080.89
  5. Step 5: Solve for x
    x = 182,898,402,080.89/540,985.53
  6. Step 6: Final answer
    x = 338,083.72

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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.