Home / 351,023.80-526,535.70-310,345.60

Finding the Fourth Proportional to 351,023.80, 526,535.70 and 310,345.60

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Solution

The fourth proportional to 351,023.80, 526,535.70 and 310,345.60 is: 465,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,023.80 : 526,535.70 = 310,345.60 : x
  2. Step 2: Convert to fraction form
    351,023.80/526,535.70 = 310,345.60/x
  3. Step 3: Cross multiply
    351,023.80x = 526,535.70 × 310,345.60
  4. Step 4: Simplify right side
    351,023.80x = 163,408,037,737.92
  5. Step 5: Solve for x
    x = 163,408,037,737.92/351,023.80
  6. Step 6: Final answer
    x = 465,518.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.