Home / 681,004.40-1,019,951.40-401,068.40

Finding the Fourth Proportional to 681,004.40, 1,019,951.40 and 401,068.40

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Solution

The fourth proportional to 681,004.40, 1,019,951.40 and 401,068.40 is: 600,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,004.40 : 1,019,951.40 = 401,068.40 : x
  2. Step 2: Convert to fraction form
    681,004.40/1,019,951.40 = 401,068.40/x
  3. Step 3: Cross multiply
    681,004.40x = 1,019,951.40 × 401,068.40
  4. Step 4: Simplify right side
    681,004.40x = 409,070,276,075.76
  5. Step 5: Solve for x
    x = 409,070,276,075.76/681,004.40
  6. Step 6: Final answer
    x = 600,686.69

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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.