Home / 1,152,082.17-1,728,124.13-393,929.36

Finding the Fourth Proportional to 1,152,082.17, 1,728,124.13 and 393,929.36

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Solution

The fourth proportional to 1,152,082.17, 1,728,124.13 and 393,929.36 is: 590,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,082.17 : 1,728,124.13 = 393,929.36 : x
  2. Step 2: Convert to fraction form
    1,152,082.17/1,728,124.13 = 393,929.36/x
  3. Step 3: Cross multiply
    1,152,082.17x = 1,728,124.13 × 393,929.36
  4. Step 4: Simplify right side
    1,152,082.17x = 680,758,831,356.13
  5. Step 5: Solve for x
    x = 680,758,831,356.13/1,152,082.17
  6. Step 6: Final answer
    x = 590,894.34

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1.5x scale

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.