Home / 610,148.51-841,720.16-383,918.75

Finding the Fourth Proportional to 610,148.51, 841,720.16 and 383,918.75

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Solution

The fourth proportional to 610,148.51, 841,720.16 and 383,918.75 is: 529,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,148.51 : 841,720.16 = 383,918.75 : x
  2. Step 2: Convert to fraction form
    610,148.51/841,720.16 = 383,918.75/x
  3. Step 3: Cross multiply
    610,148.51x = 841,720.16 × 383,918.75
  4. Step 4: Simplify right side
    610,148.51x = 323,152,145,548.81
  5. Step 5: Solve for x
    x = 323,152,145,548.81/610,148.51
  6. Step 6: Final answer
    x = 529,628.68

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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.