Home / 946,271.47-1,305,837.77-538,364.53

Finding the Fourth Proportional to 946,271.47, 1,305,837.77 and 538,364.53

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Solution

The fourth proportional to 946,271.47, 1,305,837.77 and 538,364.53 is: 742,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,271.47 : 1,305,837.77 = 538,364.53 : x
  2. Step 2: Convert to fraction form
    946,271.47/1,305,837.77 = 538,364.53/x
  3. Step 3: Cross multiply
    946,271.47x = 1,305,837.77 × 538,364.53
  4. Step 4: Simplify right side
    946,271.47x = 703,016,737,302.30
  5. Step 5: Solve for x
    x = 703,016,737,302.30/946,271.47
  6. Step 6: Final answer
    x = 742,933.46

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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.