Home / 969,639.34-1,338,089.54-534,048.33

Finding the Fourth Proportional to 969,639.34, 1,338,089.54 and 534,048.33

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Solution

The fourth proportional to 969,639.34, 1,338,089.54 and 534,048.33 is: 736,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,639.34 : 1,338,089.54 = 534,048.33 : x
  2. Step 2: Convert to fraction form
    969,639.34/1,338,089.54 = 534,048.33/x
  3. Step 3: Cross multiply
    969,639.34x = 1,338,089.54 × 534,048.33
  4. Step 4: Simplify right side
    969,639.34x = 714,604,484,227.47
  5. Step 5: Solve for x
    x = 714,604,484,227.47/969,639.34
  6. Step 6: Final answer
    x = 736,979.67

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Double scale
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Similar ratio
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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.