Home / 879,089.22-1,213,331.57-535,035.96

Finding the Fourth Proportional to 879,089.22, 1,213,331.57 and 535,035.96

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Solution

The fourth proportional to 879,089.22, 1,213,331.57 and 535,035.96 is: 738,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,089.22 : 1,213,331.57 = 535,035.96 : x
  2. Step 2: Convert to fraction form
    879,089.22/1,213,331.57 = 535,035.96/x
  3. Step 3: Cross multiply
    879,089.22x = 1,213,331.57 × 535,035.96
  4. Step 4: Simplify right side
    879,089.22x = 649,176,018,678.08
  5. Step 5: Solve for x
    x = 649,176,018,678.08/879,089.22
  6. Step 6: Final answer
    x = 738,464.32

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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.