Home / 971,035.31-1,340,108.49-535,537.83

Finding the Fourth Proportional to 971,035.31, 1,340,108.49 and 535,537.83

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Solution

The fourth proportional to 971,035.31, 1,340,108.49 and 535,537.83 is: 739,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,035.31 : 1,340,108.49 = 535,537.83 : x
  2. Step 2: Convert to fraction form
    971,035.31/1,340,108.49 = 535,537.83/x
  3. Step 3: Cross multiply
    971,035.31x = 1,340,108.49 × 535,537.83
  4. Step 4: Simplify right side
    971,035.31x = 717,678,785,998.63
  5. Step 5: Solve for x
    x = 717,678,785,998.63/971,035.31
  6. Step 6: Final answer
    x = 739,086.19

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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.