Home / 754,386.48-1,041,021.63-427,721.46

Finding the Fourth Proportional to 754,386.48, 1,041,021.63 and 427,721.46

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Solution

The fourth proportional to 754,386.48, 1,041,021.63 and 427,721.46 is: 590,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,386.48 : 1,041,021.63 = 427,721.46 : x
  2. Step 2: Convert to fraction form
    754,386.48/1,041,021.63 = 427,721.46/x
  3. Step 3: Cross multiply
    754,386.48x = 1,041,021.63 × 427,721.46
  4. Step 4: Simplify right side
    754,386.48x = 445,267,291,475.18
  5. Step 5: Solve for x
    x = 445,267,291,475.18/754,386.48
  6. Step 6: Final answer
    x = 590,237.63

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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.