Home / 977,876.70-1,467,252.45-472,242.30

Finding the Fourth Proportional to 977,876.70, 1,467,252.45 and 472,242.30

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Solution

The fourth proportional to 977,876.70, 1,467,252.45 and 472,242.30 is: 708,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,876.70 : 1,467,252.45 = 472,242.30 : x
  2. Step 2: Convert to fraction form
    977,876.70/1,467,252.45 = 472,242.30/x
  3. Step 3: Cross multiply
    977,876.70x = 1,467,252.45 × 472,242.30
  4. Step 4: Simplify right side
    977,876.70x = 692,898,671,668.64
  5. Step 5: Solve for x
    x = 692,898,671,668.64/977,876.70
  6. Step 6: Final answer
    x = 708,574.68

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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.