Home / 466,569.32-643,886.16-262,633.40

Finding the Fourth Proportional to 466,569.32, 643,886.16 and 262,633.40

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Solution

The fourth proportional to 466,569.32, 643,886.16 and 262,633.40 is: 362,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,569.32 : 643,886.16 = 262,633.40 : x
  2. Step 2: Convert to fraction form
    466,569.32/643,886.16 = 262,633.40/x
  3. Step 3: Cross multiply
    466,569.32x = 643,886.16 × 262,633.40
  4. Step 4: Simplify right side
    466,569.32x = 169,106,011,413.74
  5. Step 5: Solve for x
    x = 169,106,011,413.74/466,569.32
  6. Step 6: Final answer
    x = 362,445.63

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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.