Home / 926,822.60-1,390,233.90-328,459.40

Finding the Fourth Proportional to 926,822.60, 1,390,233.90 and 328,459.40

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Solution

The fourth proportional to 926,822.60, 1,390,233.90 and 328,459.40 is: 492,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,822.60 : 1,390,233.90 = 328,459.40 : x
  2. Step 2: Convert to fraction form
    926,822.60/1,390,233.90 = 328,459.40/x
  3. Step 3: Cross multiply
    926,822.60x = 1,390,233.90 × 328,459.40
  4. Step 4: Simplify right side
    926,822.60x = 456,635,392,653.66
  5. Step 5: Solve for x
    x = 456,635,392,653.66/926,822.60
  6. Step 6: Final answer
    x = 492,689.10

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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.