Home / 975,350.34-1,345,985.46-545,637.66

Finding the Fourth Proportional to 975,350.34, 1,345,985.46 and 545,637.66

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Solution

The fourth proportional to 975,350.34, 1,345,985.46 and 545,637.66 is: 752,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,350.34 : 1,345,985.46 = 545,637.66 : x
  2. Step 2: Convert to fraction form
    975,350.34/1,345,985.46 = 545,637.66/x
  3. Step 3: Cross multiply
    975,350.34x = 1,345,985.46 × 545,637.66
  4. Step 4: Simplify right side
    975,350.34x = 734,420,356,788.42
  5. Step 5: Solve for x
    x = 734,420,356,788.42/975,350.34
  6. Step 6: Final answer
    x = 752,981.08

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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.