Home / 971,001.84-1,340,140.37-584,208.21

Finding the Fourth Proportional to 971,001.84, 1,340,140.37 and 584,208.21

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Solution

The fourth proportional to 971,001.84, 1,340,140.37 and 584,208.21 is: 806,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,001.84 : 1,340,140.37 = 584,208.21 : x
  2. Step 2: Convert to fraction form
    971,001.84/1,340,140.37 = 584,208.21/x
  3. Step 3: Cross multiply
    971,001.84x = 1,340,140.37 × 584,208.21
  4. Step 4: Simplify right side
    971,001.84x = 782,921,003,141.43
  5. Step 5: Solve for x
    x = 782,921,003,141.43/971,001.84
  6. Step 6: Final answer
    x = 806,302.29

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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.