Home / 879,694.52-1,213,617.60-535,254.30

Finding the Fourth Proportional to 879,694.52, 1,213,617.60 and 535,254.30

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Solution

The fourth proportional to 879,694.52, 1,213,617.60 and 535,254.30 is: 738,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,694.52 : 1,213,617.60 = 535,254.30 : x
  2. Step 2: Convert to fraction form
    879,694.52/1,213,617.60 = 535,254.30/x
  3. Step 3: Cross multiply
    879,694.52x = 1,213,617.60 × 535,254.30
  4. Step 4: Simplify right side
    879,694.52x = 649,594,038,955.68
  5. Step 5: Solve for x
    x = 649,594,038,955.68/879,694.52
  6. Step 6: Final answer
    x = 738,431.38

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Double scale
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1.5x scale

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.