Home / 921,616.14-1,271,857.23-539,607.18

Finding the Fourth Proportional to 921,616.14, 1,271,857.23 and 539,607.18

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Solution

The fourth proportional to 921,616.14, 1,271,857.23 and 539,607.18 is: 744,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,616.14 : 1,271,857.23 = 539,607.18 : x
  2. Step 2: Convert to fraction form
    921,616.14/1,271,857.23 = 539,607.18/x
  3. Step 3: Cross multiply
    921,616.14x = 1,271,857.23 × 539,607.18
  4. Step 4: Simplify right side
    921,616.14x = 686,303,293,242.91
  5. Step 5: Solve for x
    x = 686,303,293,242.91/921,616.14
  6. Step 6: Final answer
    x = 744,673.69

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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.