Home / 692,035.22-955,036.38-386,138.32

Finding the Fourth Proportional to 692,035.22, 955,036.38 and 386,138.32

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Solution

The fourth proportional to 692,035.22, 955,036.38 and 386,138.32 is: 532,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,035.22 : 955,036.38 = 386,138.32 : x
  2. Step 2: Convert to fraction form
    692,035.22/955,036.38 = 386,138.32/x
  3. Step 3: Cross multiply
    692,035.22x = 955,036.38 × 386,138.32
  4. Step 4: Simplify right side
    692,035.22x = 368,776,143,312.08
  5. Step 5: Solve for x
    x = 368,776,143,312.08/692,035.22
  6. Step 6: Final answer
    x = 532,886.38

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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.