Home / 743,072.56-1,025,753.96-501,682.16

Finding the Fourth Proportional to 743,072.56, 1,025,753.96 and 501,682.16

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Solution

The fourth proportional to 743,072.56, 1,025,753.96 and 501,682.16 is: 692,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,072.56 : 1,025,753.96 = 501,682.16 : x
  2. Step 2: Convert to fraction form
    743,072.56/1,025,753.96 = 501,682.16/x
  3. Step 3: Cross multiply
    743,072.56x = 1,025,753.96 × 501,682.16
  4. Step 4: Simplify right side
    743,072.56x = 514,602,462,281.35
  5. Step 5: Solve for x
    x = 514,602,462,281.35/743,072.56
  6. Step 6: Final answer
    x = 692,533.26

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Double scale
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1.5x scale

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.