Home / 1,573,972.40-2,172,017.76-929,601.20

Finding the Fourth Proportional to 1,573,972.40, 2,172,017.76 and 929,601.20

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Solution

The fourth proportional to 1,573,972.40, 2,172,017.76 and 929,601.20 is: 1,282,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,972.40 : 2,172,017.76 = 929,601.20 : x
  2. Step 2: Convert to fraction form
    1,573,972.40/2,172,017.76 = 929,601.20/x
  3. Step 3: Cross multiply
    1,573,972.40x = 2,172,017.76 × 929,601.20
  4. Step 4: Simplify right side
    1,573,972.40x = 2,019,110,316,117.31
  5. Step 5: Solve for x
    x = 2,019,110,316,117.31/1,573,972.40
  6. Step 6: Final answer
    x = 1,282,811.77

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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.