Home / 918,225.64-1,267,134.06-510,322.60

Finding the Fourth Proportional to 918,225.64, 1,267,134.06 and 510,322.60

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Solution

The fourth proportional to 918,225.64, 1,267,134.06 and 510,322.60 is: 704,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,225.64 : 1,267,134.06 = 510,322.60 : x
  2. Step 2: Convert to fraction form
    918,225.64/1,267,134.06 = 510,322.60/x
  3. Step 3: Cross multiply
    918,225.64x = 1,267,134.06 × 510,322.60
  4. Step 4: Simplify right side
    918,225.64x = 646,647,148,047.76
  5. Step 5: Solve for x
    x = 646,647,148,047.76/918,225.64
  6. Step 6: Final answer
    x = 704,235.56

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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.