Home / 1,031,342.55-1,423,225.38-572,455.81

Finding the Fourth Proportional to 1,031,342.55, 1,423,225.38 and 572,455.81

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Solution

The fourth proportional to 1,031,342.55, 1,423,225.38 and 572,455.81 is: 789,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,342.55 : 1,423,225.38 = 572,455.81 : x
  2. Step 2: Convert to fraction form
    1,031,342.55/1,423,225.38 = 572,455.81/x
  3. Step 3: Cross multiply
    1,031,342.55x = 1,423,225.38 × 572,455.81
  4. Step 4: Simplify right side
    1,031,342.55x = 814,733,637,720.46
  5. Step 5: Solve for x
    x = 814,733,637,720.46/1,031,342.55
  6. Step 6: Final answer
    x = 789,973.84

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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.