Home / 864,534.16-1,296,801.24-443,541.52

Finding the Fourth Proportional to 864,534.16, 1,296,801.24 and 443,541.52

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Solution

The fourth proportional to 864,534.16, 1,296,801.24 and 443,541.52 is: 665,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,534.16 : 1,296,801.24 = 443,541.52 : x
  2. Step 2: Convert to fraction form
    864,534.16/1,296,801.24 = 443,541.52/x
  3. Step 3: Cross multiply
    864,534.16x = 1,296,801.24 × 443,541.52
  4. Step 4: Simplify right side
    864,534.16x = 575,185,184,425.77
  5. Step 5: Solve for x
    x = 575,185,184,425.77/864,534.16
  6. Step 6: Final answer
    x = 665,312.27

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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.