Home / 423,096.53-630,247.36-400,177.67

Finding the Fourth Proportional to 423,096.53, 630,247.36 and 400,177.67

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Solution

The fourth proportional to 423,096.53, 630,247.36 and 400,177.67 is: 596,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,096.53 : 630,247.36 = 400,177.67 : x
  2. Step 2: Convert to fraction form
    423,096.53/630,247.36 = 400,177.67/x
  3. Step 3: Cross multiply
    423,096.53x = 630,247.36 × 400,177.67
  4. Step 4: Simplify right side
    423,096.53x = 252,210,920,048.45
  5. Step 5: Solve for x
    x = 252,210,920,048.45/423,096.53
  6. Step 6: Final answer
    x = 596,107.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.