Home / 771,312.96-1,066,443.84-675,545.76

Finding the Fourth Proportional to 771,312.96, 1,066,443.84 and 675,545.76

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Solution

The fourth proportional to 771,312.96, 1,066,443.84 and 675,545.76 is: 934,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,312.96 : 1,066,443.84 = 675,545.76 : x
  2. Step 2: Convert to fraction form
    771,312.96/1,066,443.84 = 675,545.76/x
  3. Step 3: Cross multiply
    771,312.96x = 1,066,443.84 × 675,545.76
  4. Step 4: Simplify right side
    771,312.96x = 720,431,614,390.12
  5. Step 5: Solve for x
    x = 720,431,614,390.12/771,312.96
  6. Step 6: Final answer
    x = 934,032.81

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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.