Home / 953,831.20-1,430,524.80-355,074.40

Finding the Fourth Proportional to 953,831.20, 1,430,524.80 and 355,074.40

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Solution

The fourth proportional to 953,831.20, 1,430,524.80 and 355,074.40 is: 532,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,831.20 : 1,430,524.80 = 355,074.40 : x
  2. Step 2: Convert to fraction form
    953,831.20/1,430,524.80 = 355,074.40/x
  3. Step 3: Cross multiply
    953,831.20x = 1,430,524.80 × 355,074.40
  4. Step 4: Simplify right side
    953,831.20x = 507,942,735,045.12
  5. Step 5: Solve for x
    x = 507,942,735,045.12/953,831.20
  6. Step 6: Final answer
    x = 532,528.96

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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.