Home / 743,046.78-1,025,718.48-501,656.34

Finding the Fourth Proportional to 743,046.78, 1,025,718.48 and 501,656.34

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Solution

The fourth proportional to 743,046.78, 1,025,718.48 and 501,656.34 is: 692,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,046.78 : 1,025,718.48 = 501,656.34 : x
  2. Step 2: Convert to fraction form
    743,046.78/1,025,718.48 = 501,656.34/x
  3. Step 3: Cross multiply
    743,046.78x = 1,025,718.48 × 501,656.34
  4. Step 4: Simplify right side
    743,046.78x = 514,558,178,547.16
  5. Step 5: Solve for x
    x = 514,558,178,547.16/743,046.78
  6. Step 6: Final answer
    x = 692,497.69

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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.