Home / 654,904.48-903,437.36-382,794.60

Finding the Fourth Proportional to 654,904.48, 903,437.36 and 382,794.60

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Solution

The fourth proportional to 654,904.48, 903,437.36 and 382,794.60 is: 528,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,904.48 : 903,437.36 = 382,794.60 : x
  2. Step 2: Convert to fraction form
    654,904.48/903,437.36 = 382,794.60/x
  3. Step 3: Cross multiply
    654,904.48x = 903,437.36 × 382,794.60
  4. Step 4: Simplify right side
    654,904.48x = 345,830,942,846.26
  5. Step 5: Solve for x
    x = 345,830,942,846.26/654,904.48
  6. Step 6: Final answer
    x = 528,063.18

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Double scale
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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.