Home / 711,929.42-982,413.24-406,018.74

Finding the Fourth Proportional to 711,929.42, 982,413.24 and 406,018.74

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Solution

The fourth proportional to 711,929.42, 982,413.24 and 406,018.74 is: 560,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,929.42 : 982,413.24 = 406,018.74 : x
  2. Step 2: Convert to fraction form
    711,929.42/982,413.24 = 406,018.74/x
  3. Step 3: Cross multiply
    711,929.42x = 982,413.24 × 406,018.74
  4. Step 4: Simplify right side
    711,929.42x = 398,878,185,864.12
  5. Step 5: Solve for x
    x = 398,878,185,864.12/711,929.42
  6. Step 6: Final answer
    x = 560,277.71

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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.