Home / 771,753.90-1,065,020.38-432,222.15

Finding the Fourth Proportional to 771,753.90, 1,065,020.38 and 432,222.15

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Solution

The fourth proportional to 771,753.90, 1,065,020.38 and 432,222.15 is: 596,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,753.90 : 1,065,020.38 = 432,222.15 : x
  2. Step 2: Convert to fraction form
    771,753.90/1,065,020.38 = 432,222.15/x
  3. Step 3: Cross multiply
    771,753.90x = 1,065,020.38 × 432,222.15
  4. Step 4: Simplify right side
    771,753.90x = 460,325,398,437.42
  5. Step 5: Solve for x
    x = 460,325,398,437.42/771,753.90
  6. Step 6: Final answer
    x = 596,466.57

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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.