Home / 692,643.24-955,838.38-386,724.32

Finding the Fourth Proportional to 692,643.24, 955,838.38 and 386,724.32

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Solution

The fourth proportional to 692,643.24, 955,838.38 and 386,724.32 is: 533,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,643.24 : 955,838.38 = 386,724.32 : x
  2. Step 2: Convert to fraction form
    692,643.24/955,838.38 = 386,724.32/x
  3. Step 3: Cross multiply
    692,643.24x = 955,838.38 × 386,724.32
  4. Step 4: Simplify right side
    692,643.24x = 369,645,947,535.40
  5. Step 5: Solve for x
    x = 369,645,947,535.40/692,643.24
  6. Step 6: Final answer
    x = 533,674.37

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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.