Home / 707,050.35-975,749.84-384,780.87

Finding the Fourth Proportional to 707,050.35, 975,749.84 and 384,780.87

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Solution

The fourth proportional to 707,050.35, 975,749.84 and 384,780.87 is: 531,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,050.35 : 975,749.84 = 384,780.87 : x
  2. Step 2: Convert to fraction form
    707,050.35/975,749.84 = 384,780.87/x
  3. Step 3: Cross multiply
    707,050.35x = 975,749.84 × 384,780.87
  4. Step 4: Simplify right side
    707,050.35x = 375,449,870,413.66
  5. Step 5: Solve for x
    x = 375,449,870,413.66/707,050.35
  6. Step 6: Final answer
    x = 531,008.68

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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.