Home / 828,594.31-1,143,328.40-465,948.14

Finding the Fourth Proportional to 828,594.31, 1,143,328.40 and 465,948.14

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Solution

The fourth proportional to 828,594.31, 1,143,328.40 and 465,948.14 is: 642,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,594.31 : 1,143,328.40 = 465,948.14 : x
  2. Step 2: Convert to fraction form
    828,594.31/1,143,328.40 = 465,948.14/x
  3. Step 3: Cross multiply
    828,594.31x = 1,143,328.40 × 465,948.14
  4. Step 4: Simplify right side
    828,594.31x = 532,731,734,216.45
  5. Step 5: Solve for x
    x = 532,731,734,216.45/828,594.31
  6. Step 6: Final answer
    x = 642,934.34

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1.5x scale

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.