Home / 1,191,330.28-1,644,048.48-647,466.10

Finding the Fourth Proportional to 1,191,330.28, 1,644,048.48 and 647,466.10

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Solution

The fourth proportional to 1,191,330.28, 1,644,048.48 and 647,466.10 is: 893,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,330.28 : 1,644,048.48 = 647,466.10 : x
  2. Step 2: Convert to fraction form
    1,191,330.28/1,644,048.48 = 647,466.10/x
  3. Step 3: Cross multiply
    1,191,330.28x = 1,644,048.48 × 647,466.10
  4. Step 4: Simplify right side
    1,191,330.28x = 1,064,465,657,556.53
  5. Step 5: Solve for x
    x = 1,064,465,657,556.53/1,191,330.28
  6. Step 6: Final answer
    x = 893,510.12

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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.