Home / 666,022.05-919,530.70-462,001.61

Finding the Fourth Proportional to 666,022.05, 919,530.70 and 462,001.61

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Solution

The fourth proportional to 666,022.05, 919,530.70 and 462,001.61 is: 637,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,022.05 : 919,530.70 = 462,001.61 : x
  2. Step 2: Convert to fraction form
    666,022.05/919,530.70 = 462,001.61/x
  3. Step 3: Cross multiply
    666,022.05x = 919,530.70 × 462,001.61
  4. Step 4: Simplify right side
    666,022.05x = 424,824,658,091.77
  5. Step 5: Solve for x
    x = 424,824,658,091.77/666,022.05
  6. Step 6: Final answer
    x = 637,853.74

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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.