Home / 947,105.04-1,306,988.48-517,374.12

Finding the Fourth Proportional to 947,105.04, 1,306,988.48 and 517,374.12

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Solution

The fourth proportional to 947,105.04, 1,306,988.48 and 517,374.12 is: 713,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,105.04 : 1,306,988.48 = 517,374.12 : x
  2. Step 2: Convert to fraction form
    947,105.04/1,306,988.48 = 517,374.12/x
  3. Step 3: Cross multiply
    947,105.04x = 1,306,988.48 × 517,374.12
  4. Step 4: Simplify right side
    947,105.04x = 676,202,014,690.14
  5. Step 5: Solve for x
    x = 676,202,014,690.14/947,105.04
  6. Step 6: Final answer
    x = 713,967.29

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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.