Home / 879,087.72-1,213,329.50-535,034.46

Finding the Fourth Proportional to 879,087.72, 1,213,329.50 and 535,034.46

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Solution

The fourth proportional to 879,087.72, 1,213,329.50 and 535,034.46 is: 738,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,087.72 : 1,213,329.50 = 535,034.46 : x
  2. Step 2: Convert to fraction form
    879,087.72/1,213,329.50 = 535,034.46/x
  3. Step 3: Cross multiply
    879,087.72x = 1,213,329.50 × 535,034.46
  4. Step 4: Simplify right side
    879,087.72x = 649,173,091,159.40
  5. Step 5: Solve for x
    x = 649,173,091,159.40/879,087.72
  6. Step 6: Final answer
    x = 738,462.24

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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.