Home / 634,136.06-875,567.05-408,175.22

Finding the Fourth Proportional to 634,136.06, 875,567.05 and 408,175.22

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Solution

The fourth proportional to 634,136.06, 875,567.05 and 408,175.22 is: 563,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,136.06 : 875,567.05 = 408,175.22 : x
  2. Step 2: Convert to fraction form
    634,136.06/875,567.05 = 408,175.22/x
  3. Step 3: Cross multiply
    634,136.06x = 875,567.05 × 408,175.22
  4. Step 4: Simplify right side
    634,136.06x = 357,384,774,426.98
  5. Step 5: Solve for x
    x = 357,384,774,426.98/634,136.06
  6. Step 6: Final answer
    x = 563,577.43

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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.