Home / 921,554.94-1,271,754.27-508,106.55

Finding the Fourth Proportional to 921,554.94, 1,271,754.27 and 508,106.55

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Solution

The fourth proportional to 921,554.94, 1,271,754.27 and 508,106.55 is: 701,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,554.94 : 1,271,754.27 = 508,106.55 : x
  2. Step 2: Convert to fraction form
    921,554.94/1,271,754.27 = 508,106.55/x
  3. Step 3: Cross multiply
    921,554.94x = 1,271,754.27 × 508,106.55
  4. Step 4: Simplify right side
    921,554.94x = 646,186,674,577.47
  5. Step 5: Solve for x
    x = 646,186,674,577.47/921,554.94
  6. Step 6: Final answer
    x = 701,191.70

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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.