Home / 423,158.04-630,339.00-400,239.19

Finding the Fourth Proportional to 423,158.04, 630,339.00 and 400,239.19

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Solution

The fourth proportional to 423,158.04, 630,339.00 and 400,239.19 is: 596,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,158.04 : 630,339.00 = 400,239.19 : x
  2. Step 2: Convert to fraction form
    423,158.04/630,339.00 = 400,239.19/x
  3. Step 3: Cross multiply
    423,158.04x = 630,339.00 × 400,239.19
  4. Step 4: Simplify right side
    423,158.04x = 252,286,370,072.44
  5. Step 5: Solve for x
    x = 252,286,370,072.44/423,158.04
  6. Step 6: Final answer
    x = 596,198.93

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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.