Home / 1,223,398.08-1,688,266.80-679,512.24

Finding the Fourth Proportional to 1,223,398.08, 1,688,266.80 and 679,512.24

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Solution

The fourth proportional to 1,223,398.08, 1,688,266.80 and 679,512.24 is: 937,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,398.08 : 1,688,266.80 = 679,512.24 : x
  2. Step 2: Convert to fraction form
    1,223,398.08/1,688,266.80 = 679,512.24/x
  3. Step 3: Cross multiply
    1,223,398.08x = 1,688,266.80 × 679,512.24
  4. Step 4: Simplify right side
    1,223,398.08x = 1,147,197,954,985.63
  5. Step 5: Solve for x
    x = 1,147,197,954,985.63/1,223,398.08
  6. Step 6: Final answer
    x = 937,714.37

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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.