Home / 623,247.36-859,668.48-384,368.64

Finding the Fourth Proportional to 623,247.36, 859,668.48 and 384,368.64

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Solution

The fourth proportional to 623,247.36, 859,668.48 and 384,368.64 is: 530,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,247.36 : 859,668.48 = 384,368.64 : x
  2. Step 2: Convert to fraction form
    623,247.36/859,668.48 = 384,368.64/x
  3. Step 3: Cross multiply
    623,247.36x = 859,668.48 × 384,368.64
  4. Step 4: Simplify right side
    623,247.36x = 330,429,604,508.47
  5. Step 5: Solve for x
    x = 330,429,604,508.47/623,247.36
  6. Step 6: Final answer
    x = 530,174.09

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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.