Home / 1,573,973.40-2,172,019.14-929,602.20

Finding the Fourth Proportional to 1,573,973.40, 2,172,019.14 and 929,602.20

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Solution

The fourth proportional to 1,573,973.40, 2,172,019.14 and 929,602.20 is: 1,282,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,973.40 : 2,172,019.14 = 929,602.20 : x
  2. Step 2: Convert to fraction form
    1,573,973.40/2,172,019.14 = 929,602.20/x
  3. Step 3: Cross multiply
    1,573,973.40x = 2,172,019.14 × 929,602.20
  4. Step 4: Simplify right side
    1,573,973.40x = 2,019,113,770,986.11
  5. Step 5: Solve for x
    x = 2,019,113,770,986.11/1,573,973.40
  6. Step 6: Final answer
    x = 1,282,813.15

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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.