Home / 937,428.12-1,293,650.34-507,708.20

Finding the Fourth Proportional to 937,428.12, 1,293,650.34 and 507,708.20

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Solution

The fourth proportional to 937,428.12, 1,293,650.34 and 507,708.20 is: 700,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,428.12 : 1,293,650.34 = 507,708.20 : x
  2. Step 2: Convert to fraction form
    937,428.12/1,293,650.34 = 507,708.20/x
  3. Step 3: Cross multiply
    937,428.12x = 1,293,650.34 × 507,708.20
  4. Step 4: Simplify right side
    937,428.12x = 656,796,885,550.79
  5. Step 5: Solve for x
    x = 656,796,885,550.79/937,428.12
  6. Step 6: Final answer
    x = 700,637.06

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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.