Home / 987,803.02-1,363,168.20-535,094.02

Finding the Fourth Proportional to 987,803.02, 1,363,168.20 and 535,094.02

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Solution

The fourth proportional to 987,803.02, 1,363,168.20 and 535,094.02 is: 738,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,803.02 : 1,363,168.20 = 535,094.02 : x
  2. Step 2: Convert to fraction form
    987,803.02/1,363,168.20 = 535,094.02/x
  3. Step 3: Cross multiply
    987,803.02x = 1,363,168.20 × 535,094.02
  4. Step 4: Simplify right side
    987,803.02x = 729,423,152,074.16
  5. Step 5: Solve for x
    x = 729,423,152,074.16/987,803.02
  6. Step 6: Final answer
    x = 738,429.77

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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.