Home / 535,223.40-738,618.48-293,491.60

Finding the Fourth Proportional to 535,223.40, 738,618.48 and 293,491.60

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Solution

The fourth proportional to 535,223.40, 738,618.48 and 293,491.60 is: 405,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,223.40 : 738,618.48 = 293,491.60 : x
  2. Step 2: Convert to fraction form
    535,223.40/738,618.48 = 293,491.60/x
  3. Step 3: Cross multiply
    535,223.40x = 738,618.48 × 293,491.60
  4. Step 4: Simplify right side
    535,223.40x = 216,778,319,484.77
  5. Step 5: Solve for x
    x = 216,778,319,484.77/535,223.40
  6. Step 6: Final answer
    x = 405,023.99

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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.