Home / 771,455.34-1,156,739.67-411,182.46

Finding the Fourth Proportional to 771,455.34, 1,156,739.67 and 411,182.46

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Solution

The fourth proportional to 771,455.34, 1,156,739.67 and 411,182.46 is: 616,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,455.34 : 1,156,739.67 = 411,182.46 : x
  2. Step 2: Convert to fraction form
    771,455.34/1,156,739.67 = 411,182.46/x
  3. Step 3: Cross multiply
    771,455.34x = 1,156,739.67 × 411,182.46
  4. Step 4: Simplify right side
    771,455.34x = 475,631,063,090.19
  5. Step 5: Solve for x
    x = 475,631,063,090.19/771,455.34
  6. Step 6: Final answer
    x = 616,537.39

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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.