Home / 705,815.57-974,031.33-383,525.67

Finding the Fourth Proportional to 705,815.57, 974,031.33 and 383,525.67

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Solution

The fourth proportional to 705,815.57, 974,031.33 and 383,525.67 is: 529,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,815.57 : 974,031.33 = 383,525.67 : x
  2. Step 2: Convert to fraction form
    705,815.57/974,031.33 = 383,525.67/x
  3. Step 3: Cross multiply
    705,815.57x = 974,031.33 × 383,525.67
  4. Step 4: Simplify right side
    705,815.57x = 373,566,018,439.24
  5. Step 5: Solve for x
    x = 373,566,018,439.24/705,815.57
  6. Step 6: Final answer
    x = 529,268.60

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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.