Home / 975,346.84-1,345,980.61-545,634.15

Finding the Fourth Proportional to 975,346.84, 1,345,980.61 and 545,634.15

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Solution

The fourth proportional to 975,346.84, 1,345,980.61 and 545,634.15 is: 752,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,346.84 : 1,345,980.61 = 545,634.15 : x
  2. Step 2: Convert to fraction form
    975,346.84/1,345,980.61 = 545,634.15/x
  3. Step 3: Cross multiply
    975,346.84x = 1,345,980.61 × 545,634.15
  4. Step 4: Simplify right side
    975,346.84x = 734,412,986,053.83
  5. Step 5: Solve for x
    x = 734,412,986,053.83/975,346.84
  6. Step 6: Final answer
    x = 752,976.23

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1.5x scale

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.