Home / 916,216.72-1,264,438.87-529,048.46

Finding the Fourth Proportional to 916,216.72, 1,264,438.87 and 529,048.46

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Solution

The fourth proportional to 916,216.72, 1,264,438.87 and 529,048.46 is: 730,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,216.72 : 1,264,438.87 = 529,048.46 : x
  2. Step 2: Convert to fraction form
    916,216.72/1,264,438.87 = 529,048.46/x
  3. Step 3: Cross multiply
    916,216.72x = 1,264,438.87 × 529,048.46
  4. Step 4: Simplify right side
    916,216.72x = 668,949,438,776.12
  5. Step 5: Solve for x
    x = 668,949,438,776.12/916,216.72
  6. Step 6: Final answer
    x = 730,121.41

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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.