Home / 975,125.25-1,345,712.49-539,535.51

Finding the Fourth Proportional to 975,125.25, 1,345,712.49 and 539,535.51

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Solution

The fourth proportional to 975,125.25, 1,345,712.49 and 539,535.51 is: 744,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,125.25 : 1,345,712.49 = 539,535.51 : x
  2. Step 2: Convert to fraction form
    975,125.25/1,345,712.49 = 539,535.51/x
  3. Step 3: Cross multiply
    975,125.25x = 1,345,712.49 × 539,535.51
  4. Step 4: Simplify right side
    975,125.25x = 726,059,674,605.52
  5. Step 5: Solve for x
    x = 726,059,674,605.52/975,125.25
  6. Step 6: Final answer
    x = 744,580.94

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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.