Home / 705,050.98-973,221.90-418,570.38

Finding the Fourth Proportional to 705,050.98, 973,221.90 and 418,570.38

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Solution

The fourth proportional to 705,050.98, 973,221.90 and 418,570.38 is: 577,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,050.98 : 973,221.90 = 418,570.38 : x
  2. Step 2: Convert to fraction form
    705,050.98/973,221.90 = 418,570.38/x
  3. Step 3: Cross multiply
    705,050.98x = 973,221.90 × 418,570.38
  4. Step 4: Simplify right side
    705,050.98x = 407,361,860,507.32
  5. Step 5: Solve for x
    x = 407,361,860,507.32/705,050.98
  6. Step 6: Final answer
    x = 577,776.46

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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.