Home / 918,076.16-1,266,864.46-510,152.16

Finding the Fourth Proportional to 918,076.16, 1,266,864.46 and 510,152.16

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Solution

The fourth proportional to 918,076.16, 1,266,864.46 and 510,152.16 is: 703,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,076.16 : 1,266,864.46 = 510,152.16 : x
  2. Step 2: Convert to fraction form
    918,076.16/1,266,864.46 = 510,152.16/x
  3. Step 3: Cross multiply
    918,076.16x = 1,266,864.46 × 510,152.16
  4. Step 4: Simplify right side
    918,076.16x = 646,293,640,696.23
  5. Step 5: Solve for x
    x = 646,293,640,696.23/918,076.16
  6. Step 6: Final answer
    x = 703,965.17

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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.