Home / 705,815.39-974,031.41-383,525.49

Finding the Fourth Proportional to 705,815.39, 974,031.41 and 383,525.49

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Solution

The fourth proportional to 705,815.39, 974,031.41 and 383,525.49 is: 529,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,815.39 : 974,031.41 = 383,525.49 : x
  2. Step 2: Convert to fraction form
    705,815.39/974,031.41 = 383,525.49/x
  3. Step 3: Cross multiply
    705,815.39x = 974,031.41 × 383,525.49
  4. Step 4: Simplify right side
    705,815.39x = 373,565,872,928.15
  5. Step 5: Solve for x
    x = 373,565,872,928.15/705,815.39
  6. Step 6: Final answer
    x = 529,268.53

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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.