Home / 1,145,097.54-1,725,688.94-1,031,388.12

Finding the Fourth Proportional to 1,145,097.54, 1,725,688.94 and 1,031,388.12

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Solution

The fourth proportional to 1,145,097.54, 1,725,688.94 and 1,031,388.12 is: 1,554,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,097.54 : 1,725,688.94 = 1,031,388.12 : x
  2. Step 2: Convert to fraction form
    1,145,097.54/1,725,688.94 = 1,031,388.12/x
  3. Step 3: Cross multiply
    1,145,097.54x = 1,725,688.94 × 1,031,388.12
  4. Step 4: Simplify right side
    1,145,097.54x = 1,779,855,066,374.45
  5. Step 5: Solve for x
    x = 1,779,855,066,374.45/1,145,097.54
  6. Step 6: Final answer
    x = 1,554,326.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.