Home / 528,982.53-730,219.34-357,133.25

Finding the Fourth Proportional to 528,982.53, 730,219.34 and 357,133.25

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Solution

The fourth proportional to 528,982.53, 730,219.34 and 357,133.25 is: 492,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,982.53 : 730,219.34 = 357,133.25 : x
  2. Step 2: Convert to fraction form
    528,982.53/730,219.34 = 357,133.25/x
  3. Step 3: Cross multiply
    528,982.53x = 730,219.34 × 357,133.25
  4. Step 4: Simplify right side
    528,982.53x = 260,785,600,670.29
  5. Step 5: Solve for x
    x = 260,785,600,670.29/528,982.53
  6. Step 6: Final answer
    x = 492,994.73

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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.