Home / 511,830.18-706,552.13-330,630.45

Finding the Fourth Proportional to 511,830.18, 706,552.13 and 330,630.45

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Solution

The fourth proportional to 511,830.18, 706,552.13 and 330,630.45 is: 456,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,830.18 : 706,552.13 = 330,630.45 : x
  2. Step 2: Convert to fraction form
    511,830.18/706,552.13 = 330,630.45/x
  3. Step 3: Cross multiply
    511,830.18x = 706,552.13 × 330,630.45
  4. Step 4: Simplify right side
    511,830.18x = 233,607,645,157.60
  5. Step 5: Solve for x
    x = 233,607,645,157.60/511,830.18
  6. Step 6: Final answer
    x = 456,416.32

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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.