Home / 770,953.64-1,064,221.98-522,652.64

Finding the Fourth Proportional to 770,953.64, 1,064,221.98 and 522,652.64

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Solution

The fourth proportional to 770,953.64, 1,064,221.98 and 522,652.64 is: 721,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,953.64 : 1,064,221.98 = 522,652.64 : x
  2. Step 2: Convert to fraction form
    770,953.64/1,064,221.98 = 522,652.64/x
  3. Step 3: Cross multiply
    770,953.64x = 1,064,221.98 × 522,652.64
  4. Step 4: Simplify right side
    770,953.64x = 556,218,427,393.03
  5. Step 5: Solve for x
    x = 556,218,427,393.03/770,953.64
  6. Step 6: Final answer
    x = 721,468.06

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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.