Home / 918,077.16-1,266,865.84-510,153.16

Finding the Fourth Proportional to 918,077.16, 1,266,865.84 and 510,153.16

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Solution

The fourth proportional to 918,077.16, 1,266,865.84 and 510,153.16 is: 703,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,077.16 : 1,266,865.84 = 510,153.16 : x
  2. Step 2: Convert to fraction form
    918,077.16/1,266,865.84 = 510,153.16/x
  3. Step 3: Cross multiply
    918,077.16x = 1,266,865.84 × 510,153.16
  4. Step 4: Simplify right side
    918,077.16x = 646,295,611,572.06
  5. Step 5: Solve for x
    x = 646,295,611,572.06/918,077.16
  6. Step 6: Final answer
    x = 703,966.55

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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.