Home / 803,528.20-1,108,865.46-440,957.96

Finding the Fourth Proportional to 803,528.20, 1,108,865.46 and 440,957.96

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Solution

The fourth proportional to 803,528.20, 1,108,865.46 and 440,957.96 is: 608,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,528.20 : 1,108,865.46 = 440,957.96 : x
  2. Step 2: Convert to fraction form
    803,528.20/1,108,865.46 = 440,957.96/x
  3. Step 3: Cross multiply
    803,528.20x = 1,108,865.46 × 440,957.96
  4. Step 4: Simplify right side
    803,528.20x = 488,963,051,156.06
  5. Step 5: Solve for x
    x = 488,963,051,156.06/803,528.20
  6. Step 6: Final answer
    x = 608,520.09

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1.5x scale

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.