Home / 666,100.23-919,225.58-364,287.75

Finding the Fourth Proportional to 666,100.23, 919,225.58 and 364,287.75

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Solution

The fourth proportional to 666,100.23, 919,225.58 and 364,287.75 is: 502,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,100.23 : 919,225.58 = 364,287.75 : x
  2. Step 2: Convert to fraction form
    666,100.23/919,225.58 = 364,287.75/x
  3. Step 3: Cross multiply
    666,100.23x = 919,225.58 × 364,287.75
  4. Step 4: Simplify right side
    666,100.23x = 334,862,616,459.21
  5. Step 5: Solve for x
    x = 334,862,616,459.21/666,100.23
  6. Step 6: Final answer
    x = 502,721.06

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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.