Home / 1,583,513.30-2,184,128.52-971,697.62

Finding the Fourth Proportional to 1,583,513.30, 2,184,128.52 and 971,697.62

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Solution

The fourth proportional to 1,583,513.30, 2,184,128.52 and 971,697.62 is: 1,340,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,513.30 : 2,184,128.52 = 971,697.62 : x
  2. Step 2: Convert to fraction form
    1,583,513.30/2,184,128.52 = 971,697.62/x
  3. Step 3: Cross multiply
    1,583,513.30x = 2,184,128.52 × 971,697.62
  4. Step 4: Simplify right side
    1,583,513.30x = 2,122,312,484,658.12
  5. Step 5: Solve for x
    x = 2,122,312,484,658.12/1,583,513.30
  6. Step 6: Final answer
    x = 1,340,255.55

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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.