Home / 1,031,215.71-1,423,056.27-572,303.63

Finding the Fourth Proportional to 1,031,215.71, 1,423,056.27 and 572,303.63

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Solution

The fourth proportional to 1,031,215.71, 1,423,056.27 and 572,303.63 is: 789,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,215.71 : 1,423,056.27 = 572,303.63 : x
  2. Step 2: Convert to fraction form
    1,031,215.71/1,423,056.27 = 572,303.63/x
  3. Step 3: Cross multiply
    1,031,215.71x = 1,423,056.27 × 572,303.63
  4. Step 4: Simplify right side
    1,031,215.71x = 814,420,265,104.74
  5. Step 5: Solve for x
    x = 814,420,265,104.74/1,031,215.71
  6. Step 6: Final answer
    x = 789,767.13

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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.