Home / 515,985.04-774,026.40-200,466.24

Finding the Fourth Proportional to 515,985.04, 774,026.40 and 200,466.24

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Solution

The fourth proportional to 515,985.04, 774,026.40 and 200,466.24 is: 300,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,985.04 : 774,026.40 = 200,466.24 : x
  2. Step 2: Convert to fraction form
    515,985.04/774,026.40 = 200,466.24/x
  3. Step 3: Cross multiply
    515,985.04x = 774,026.40 × 200,466.24
  4. Step 4: Simplify right side
    515,985.04x = 155,166,162,068.74
  5. Step 5: Solve for x
    x = 155,166,162,068.74/515,985.04
  6. Step 6: Final answer
    x = 300,718.33

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Double scale
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1.5x scale

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.