Home / 771,680.52-1,064,860.02-432,102.60

Finding the Fourth Proportional to 771,680.52, 1,064,860.02 and 432,102.60

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Solution

The fourth proportional to 771,680.52, 1,064,860.02 and 432,102.60 is: 596,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,680.52 : 1,064,860.02 = 432,102.60 : x
  2. Step 2: Convert to fraction form
    771,680.52/1,064,860.02 = 432,102.60/x
  3. Step 3: Cross multiply
    771,680.52x = 1,064,860.02 × 432,102.60
  4. Step 4: Simplify right side
    771,680.52x = 460,128,783,278.05
  5. Step 5: Solve for x
    x = 460,128,783,278.05/771,680.52
  6. Step 6: Final answer
    x = 596,268.50

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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.