Home / 753,572.26-1,039,941.48-409,415.01

Finding the Fourth Proportional to 753,572.26, 1,039,941.48 and 409,415.01

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Solution

The fourth proportional to 753,572.26, 1,039,941.48 and 409,415.01 is: 564,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,572.26 : 1,039,941.48 = 409,415.01 : x
  2. Step 2: Convert to fraction form
    753,572.26/1,039,941.48 = 409,415.01/x
  3. Step 3: Cross multiply
    753,572.26x = 1,039,941.48 × 409,415.01
  4. Step 4: Simplify right side
    753,572.26x = 425,767,649,069.14
  5. Step 5: Solve for x
    x = 425,767,649,069.14/753,572.26
  6. Step 6: Final answer
    x = 564,999.10

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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.