Home / 750,705.75-1,035,973.98-411,186.15

Finding the Fourth Proportional to 750,705.75, 1,035,973.98 and 411,186.15

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Solution

The fourth proportional to 750,705.75, 1,035,973.98 and 411,186.15 is: 567,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,705.75 : 1,035,973.98 = 411,186.15 : x
  2. Step 2: Convert to fraction form
    750,705.75/1,035,973.98 = 411,186.15/x
  3. Step 3: Cross multiply
    750,705.75x = 1,035,973.98 × 411,186.15
  4. Step 4: Simplify right side
    750,705.75x = 425,978,152,336.38
  5. Step 5: Solve for x
    x = 425,978,152,336.38/750,705.75
  6. Step 6: Final answer
    x = 567,436.91

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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.