Home / 947,048.49-1,306,905.44-517,330.53

Finding the Fourth Proportional to 947,048.49, 1,306,905.44 and 517,330.53

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Solution

The fourth proportional to 947,048.49, 1,306,905.44 and 517,330.53 is: 713,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,048.49 : 1,306,905.44 = 517,330.53 : x
  2. Step 2: Convert to fraction form
    947,048.49/1,306,905.44 = 517,330.53/x
  3. Step 3: Cross multiply
    947,048.49x = 1,306,905.44 × 517,330.53
  4. Step 4: Simplify right side
    947,048.49x = 676,102,081,348.43
  5. Step 5: Solve for x
    x = 676,102,081,348.43/947,048.49
  6. Step 6: Final answer
    x = 713,904.40

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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.