Home / 771,455.92-1,064,597.28-431,936.32

Finding the Fourth Proportional to 771,455.92, 1,064,597.28 and 431,936.32

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Solution

The fourth proportional to 771,455.92, 1,064,597.28 and 431,936.32 is: 596,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,455.92 : 1,064,597.28 = 431,936.32 : x
  2. Step 2: Convert to fraction form
    771,455.92/1,064,597.28 = 431,936.32/x
  3. Step 3: Cross multiply
    771,455.92x = 1,064,597.28 × 431,936.32
  4. Step 4: Simplify right side
    771,455.92x = 459,838,231,405.21
  5. Step 5: Solve for x
    x = 459,838,231,405.21/771,455.92
  6. Step 6: Final answer
    x = 596,065.46

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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.