Home / 1,031,615.72-1,423,264.74-674,127.08

Finding the Fourth Proportional to 1,031,615.72, 1,423,264.74 and 674,127.08

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Solution

The fourth proportional to 1,031,615.72, 1,423,264.74 and 674,127.08 is: 930,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,615.72 : 1,423,264.74 = 674,127.08 : x
  2. Step 2: Convert to fraction form
    1,031,615.72/1,423,264.74 = 674,127.08/x
  3. Step 3: Cross multiply
    1,031,615.72x = 1,423,264.74 × 674,127.08
  4. Step 4: Simplify right side
    1,031,615.72x = 959,461,303,243.16
  5. Step 5: Solve for x
    x = 959,461,303,243.16/1,031,615.72
  6. Step 6: Final answer
    x = 930,056.89

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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.