Home / 1,539,080.92-2,123,928.30-860,017.42

Finding the Fourth Proportional to 1,539,080.92, 2,123,928.30 and 860,017.42

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Solution

The fourth proportional to 1,539,080.92, 2,123,928.30 and 860,017.42 is: 1,186,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,080.92 : 2,123,928.30 = 860,017.42 : x
  2. Step 2: Convert to fraction form
    1,539,080.92/2,123,928.30 = 860,017.42/x
  3. Step 3: Cross multiply
    1,539,080.92x = 2,123,928.30 × 860,017.42
  4. Step 4: Simplify right side
    1,539,080.92x = 1,826,615,336,830.99
  5. Step 5: Solve for x
    x = 1,826,615,336,830.99/1,539,080.92
  6. Step 6: Final answer
    x = 1,186,822.16

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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.