Home / 654,904.23-903,437.01-382,794.36

Finding the Fourth Proportional to 654,904.23, 903,437.01 and 382,794.36

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Solution

The fourth proportional to 654,904.23, 903,437.01 and 382,794.36 is: 528,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,904.23 : 903,437.01 = 382,794.36 : x
  2. Step 2: Convert to fraction form
    654,904.23/903,437.01 = 382,794.36/x
  3. Step 3: Cross multiply
    654,904.23x = 903,437.01 × 382,794.36
  4. Step 4: Simplify right side
    654,904.23x = 345,830,592,043.26
  5. Step 5: Solve for x
    x = 345,830,592,043.26/654,904.23
  6. Step 6: Final answer
    x = 528,062.85

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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.