Home / 1,581,643.04-2,182,667.04-856,490.74

Finding the Fourth Proportional to 1,581,643.04, 2,182,667.04 and 856,490.74

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Solution

The fourth proportional to 1,581,643.04, 2,182,667.04 and 856,490.74 is: 1,181,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,643.04 : 2,182,667.04 = 856,490.74 : x
  2. Step 2: Convert to fraction form
    1,581,643.04/2,182,667.04 = 856,490.74/x
  3. Step 3: Cross multiply
    1,581,643.04x = 2,182,667.04 × 856,490.74
  4. Step 4: Simplify right side
    1,581,643.04x = 1,869,434,108,263.21
  5. Step 5: Solve for x
    x = 1,869,434,108,263.21/1,581,643.04
  6. Step 6: Final answer
    x = 1,181,957.03

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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.