Home / 851,036.20-1,276,554.30-473,122.60

Finding the Fourth Proportional to 851,036.20, 1,276,554.30 and 473,122.60

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Solution

The fourth proportional to 851,036.20, 1,276,554.30 and 473,122.60 is: 709,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,036.20 : 1,276,554.30 = 473,122.60 : x
  2. Step 2: Convert to fraction form
    851,036.20/1,276,554.30 = 473,122.60/x
  3. Step 3: Cross multiply
    851,036.20x = 1,276,554.30 × 473,122.60
  4. Step 4: Simplify right side
    851,036.20x = 603,966,689,457.18
  5. Step 5: Solve for x
    x = 603,966,689,457.18/851,036.20
  6. Step 6: Final answer
    x = 709,683.90

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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.