Home / 969,802.94-1,338,232.28-540,123.05

Finding the Fourth Proportional to 969,802.94, 1,338,232.28 and 540,123.05

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Solution

The fourth proportional to 969,802.94, 1,338,232.28 and 540,123.05 is: 745,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,802.94 : 1,338,232.28 = 540,123.05 : x
  2. Step 2: Convert to fraction form
    969,802.94/1,338,232.28 = 540,123.05/x
  3. Step 3: Cross multiply
    969,802.94x = 1,338,232.28 × 540,123.05
  4. Step 4: Simplify right side
    969,802.94x = 722,810,101,327.02
  5. Step 5: Solve for x
    x = 722,810,101,327.02/969,802.94
  6. Step 6: Final answer
    x = 745,316.47

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Double scale
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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.