Home / 658,795.35-909,140.03-383,219.33

Finding the Fourth Proportional to 658,795.35, 909,140.03 and 383,219.33

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Solution

The fourth proportional to 658,795.35, 909,140.03 and 383,219.33 is: 528,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,795.35 : 909,140.03 = 383,219.33 : x
  2. Step 2: Convert to fraction form
    658,795.35/909,140.03 = 383,219.33/x
  3. Step 3: Cross multiply
    658,795.35x = 909,140.03 × 383,219.33
  4. Step 4: Simplify right side
    658,795.35x = 348,400,033,172.78
  5. Step 5: Solve for x
    x = 348,400,033,172.78/658,795.35
  6. Step 6: Final answer
    x = 528,844.10

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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.