Home / 710,473.74-1,066,130.73-261,509.82

Finding the Fourth Proportional to 710,473.74, 1,066,130.73 and 261,509.82

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Solution

The fourth proportional to 710,473.74, 1,066,130.73 and 261,509.82 is: 392,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,473.74 : 1,066,130.73 = 261,509.82 : x
  2. Step 2: Convert to fraction form
    710,473.74/1,066,130.73 = 261,509.82/x
  3. Step 3: Cross multiply
    710,473.74x = 1,066,130.73 × 261,509.82
  4. Step 4: Simplify right side
    710,473.74x = 278,803,655,298.77
  5. Step 5: Solve for x
    x = 278,803,655,298.77/710,473.74
  6. Step 6: Final answer
    x = 392,419.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.