Home / 1,077,904.70-1,617,087.45-330,026.30

Finding the Fourth Proportional to 1,077,904.70, 1,617,087.45 and 330,026.30

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Solution

The fourth proportional to 1,077,904.70, 1,617,087.45 and 330,026.30 is: 495,109.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,904.70 : 1,617,087.45 = 330,026.30 : x
  2. Step 2: Convert to fraction form
    1,077,904.70/1,617,087.45 = 330,026.30/x
  3. Step 3: Cross multiply
    1,077,904.70x = 1,617,087.45 × 330,026.30
  4. Step 4: Simplify right side
    1,077,904.70x = 533,681,387,899.94
  5. Step 5: Solve for x
    x = 533,681,387,899.94/1,077,904.70
  6. Step 6: Final answer
    x = 495,109.99

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1.5x scale

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.