Home / 933,290.40-1,400,972.40-578,704.80

Finding the Fourth Proportional to 933,290.40, 1,400,972.40 and 578,704.80

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Solution

The fourth proportional to 933,290.40, 1,400,972.40 and 578,704.80 is: 868,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,290.40 : 1,400,972.40 = 578,704.80 : x
  2. Step 2: Convert to fraction form
    933,290.40/1,400,972.40 = 578,704.80/x
  3. Step 3: Cross multiply
    933,290.40x = 1,400,972.40 × 578,704.80
  4. Step 4: Simplify right side
    933,290.40x = 810,749,452,547.52
  5. Step 5: Solve for x
    x = 810,749,452,547.52/933,290.40
  6. Step 6: Final answer
    x = 868,700.09

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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.