Home / 651,118.80-977,761.98-439,250.34

Finding the Fourth Proportional to 651,118.80, 977,761.98 and 439,250.34

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Solution

The fourth proportional to 651,118.80, 977,761.98 and 439,250.34 is: 659,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,118.80 : 977,761.98 = 439,250.34 : x
  2. Step 2: Convert to fraction form
    651,118.80/977,761.98 = 439,250.34/x
  3. Step 3: Cross multiply
    651,118.80x = 977,761.98 × 439,250.34
  4. Step 4: Simplify right side
    651,118.80x = 429,482,282,154.07
  5. Step 5: Solve for x
    x = 429,482,282,154.07/651,118.80
  6. Step 6: Final answer
    x = 659,606.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.