Home / 705,815.27-974,031.23-383,525.36

Finding the Fourth Proportional to 705,815.27, 974,031.23 and 383,525.36

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Solution

The fourth proportional to 705,815.27, 974,031.23 and 383,525.36 is: 529,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,815.27 : 974,031.23 = 383,525.36 : x
  2. Step 2: Convert to fraction form
    705,815.27/974,031.23 = 383,525.36/x
  3. Step 3: Cross multiply
    705,815.27x = 974,031.23 × 383,525.36
  4. Step 4: Simplify right side
    705,815.27x = 373,565,672,981.47
  5. Step 5: Solve for x
    x = 373,565,672,981.47/705,815.27
  6. Step 6: Final answer
    x = 529,268.34

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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.