Home / 910,089.74-1,365,310.20-349,080.50

Finding the Fourth Proportional to 910,089.74, 1,365,310.20 and 349,080.50

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Solution

The fourth proportional to 910,089.74, 1,365,310.20 and 349,080.50 is: 523,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,089.74 : 1,365,310.20 = 349,080.50 : x
  2. Step 2: Convert to fraction form
    910,089.74/1,365,310.20 = 349,080.50/x
  3. Step 3: Cross multiply
    910,089.74x = 1,365,310.20 × 349,080.50
  4. Step 4: Simplify right side
    910,089.74x = 476,603,167,271.10
  5. Step 5: Solve for x
    x = 476,603,167,271.10/910,089.74
  6. Step 6: Final answer
    x = 523,688.10

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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.