Home / 975,356.84-1,345,994.43-545,644.16

Finding the Fourth Proportional to 975,356.84, 1,345,994.43 and 545,644.16

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Solution

The fourth proportional to 975,356.84, 1,345,994.43 and 545,644.16 is: 752,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,356.84 : 1,345,994.43 = 545,644.16 : x
  2. Step 2: Convert to fraction form
    975,356.84/1,345,994.43 = 545,644.16/x
  3. Step 3: Cross multiply
    975,356.84x = 1,345,994.43 × 545,644.16
  4. Step 4: Simplify right side
    975,356.84x = 734,434,000,122.03
  5. Step 5: Solve for x
    x = 734,434,000,122.03/975,356.84
  6. Step 6: Final answer
    x = 752,990.05

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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.