Home / 704,384.40-1,055,021.40-579,968.40

Finding the Fourth Proportional to 704,384.40, 1,055,021.40 and 579,968.40

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Solution

The fourth proportional to 704,384.40, 1,055,021.40 and 579,968.40 is: 868,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,384.40 : 1,055,021.40 = 579,968.40 : x
  2. Step 2: Convert to fraction form
    704,384.40/1,055,021.40 = 579,968.40/x
  3. Step 3: Cross multiply
    704,384.40x = 1,055,021.40 × 579,968.40
  4. Step 4: Simplify right side
    704,384.40x = 611,879,073,323.76
  5. Step 5: Solve for x
    x = 611,879,073,323.76/704,384.40
  6. Step 6: Final answer
    x = 868,672.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.