Home / 916,530.02-1,264,812.13-508,632.15

Finding the Fourth Proportional to 916,530.02, 1,264,812.13 and 508,632.15

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Solution

The fourth proportional to 916,530.02, 1,264,812.13 and 508,632.15 is: 701,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,530.02 : 1,264,812.13 = 508,632.15 : x
  2. Step 2: Convert to fraction form
    916,530.02/1,264,812.13 = 508,632.15/x
  3. Step 3: Cross multiply
    916,530.02x = 1,264,812.13 × 508,632.15
  4. Step 4: Simplify right side
    916,530.02x = 643,324,113,027.98
  5. Step 5: Solve for x
    x = 643,324,113,027.98/916,530.02
  6. Step 6: Final answer
    x = 701,912.76

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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.