Home / 1,347,886.08-1,856,921.58-939,246.35

Finding the Fourth Proportional to 1,347,886.08, 1,856,921.58 and 939,246.35

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Solution

The fourth proportional to 1,347,886.08, 1,856,921.58 and 939,246.35 is: 1,293,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,886.08 : 1,856,921.58 = 939,246.35 : x
  2. Step 2: Convert to fraction form
    1,347,886.08/1,856,921.58 = 939,246.35/x
  3. Step 3: Cross multiply
    1,347,886.08x = 1,856,921.58 × 939,246.35
  4. Step 4: Simplify right side
    1,347,886.08x = 1,744,106,806,966.63
  5. Step 5: Solve for x
    x = 1,744,106,806,966.63/1,347,886.08
  6. Step 6: Final answer
    x = 1,293,957.13

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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.