Home / 1,408,875.76-1,944,248.55-805,276.72

Finding the Fourth Proportional to 1,408,875.76, 1,944,248.55 and 805,276.72

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Solution

The fourth proportional to 1,408,875.76, 1,944,248.55 and 805,276.72 is: 1,111,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,875.76 : 1,944,248.55 = 805,276.72 : x
  2. Step 2: Convert to fraction form
    1,408,875.76/1,944,248.55 = 805,276.72/x
  3. Step 3: Cross multiply
    1,408,875.76x = 1,944,248.55 × 805,276.72
  4. Step 4: Simplify right side
    1,408,875.76x = 1,565,658,095,208.76
  5. Step 5: Solve for x
    x = 1,565,658,095,208.76/1,408,875.76
  6. Step 6: Final answer
    x = 1,111,281.87

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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.