Home / 1,159,485.90-1,739,228.85-411,434.70

Finding the Fourth Proportional to 1,159,485.90, 1,739,228.85 and 411,434.70

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Solution

The fourth proportional to 1,159,485.90, 1,739,228.85 and 411,434.70 is: 617,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,485.90 : 1,739,228.85 = 411,434.70 : x
  2. Step 2: Convert to fraction form
    1,159,485.90/1,739,228.85 = 411,434.70/x
  3. Step 3: Cross multiply
    1,159,485.90x = 1,739,228.85 × 411,434.70
  4. Step 4: Simplify right side
    1,159,485.90x = 715,579,100,131.10
  5. Step 5: Solve for x
    x = 715,579,100,131.10/1,159,485.90
  6. Step 6: Final answer
    x = 617,152.05

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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.