Home / 777,913.01-1,072,806.55-533,253.32

Finding the Fourth Proportional to 777,913.01, 1,072,806.55 and 533,253.32

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Solution

The fourth proportional to 777,913.01, 1,072,806.55 and 533,253.32 is: 735,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,913.01 : 1,072,806.55 = 533,253.32 : x
  2. Step 2: Convert to fraction form
    777,913.01/1,072,806.55 = 533,253.32/x
  3. Step 3: Cross multiply
    777,913.01x = 1,072,806.55 × 533,253.32
  4. Step 4: Simplify right side
    777,913.01x = 572,077,647,808.08
  5. Step 5: Solve for x
    x = 572,077,647,808.08/777,913.01
  6. Step 6: Final answer
    x = 735,400.54

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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.