Home / 969,901.74-1,338,569.04-534,363.60

Finding the Fourth Proportional to 969,901.74, 1,338,569.04 and 534,363.60

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Solution

The fourth proportional to 969,901.74, 1,338,569.04 and 534,363.60 is: 737,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,901.74 : 1,338,569.04 = 534,363.60 : x
  2. Step 2: Convert to fraction form
    969,901.74/1,338,569.04 = 534,363.60/x
  3. Step 3: Cross multiply
    969,901.74x = 1,338,569.04 × 534,363.60
  4. Step 4: Simplify right side
    969,901.74x = 715,282,571,062.94
  5. Step 5: Solve for x
    x = 715,282,571,062.94/969,901.74
  6. Step 6: Final answer
    x = 737,479.42

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Double scale
Find fourth proportional to 969,902.74, 1,338,570.42 and 534,364.60
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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.