Home / 736,186.95-1,015,999.34-409,561.49

Finding the Fourth Proportional to 736,186.95, 1,015,999.34 and 409,561.49

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Solution

The fourth proportional to 736,186.95, 1,015,999.34 and 409,561.49 is: 565,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,186.95 : 1,015,999.34 = 409,561.49 : x
  2. Step 2: Convert to fraction form
    736,186.95/1,015,999.34 = 409,561.49/x
  3. Step 3: Cross multiply
    736,186.95x = 1,015,999.34 × 409,561.49
  4. Step 4: Simplify right side
    736,186.95x = 416,114,196,401.61
  5. Step 5: Solve for x
    x = 416,114,196,401.61/736,186.95
  6. Step 6: Final answer
    x = 565,228.98

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Double scale
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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.