Home / 921,892.32-1,272,294.95-559,408.01

Finding the Fourth Proportional to 921,892.32, 1,272,294.95 and 559,408.01

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Solution

The fourth proportional to 921,892.32, 1,272,294.95 and 559,408.01 is: 772,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,892.32 : 1,272,294.95 = 559,408.01 : x
  2. Step 2: Convert to fraction form
    921,892.32/1,272,294.95 = 559,408.01/x
  3. Step 3: Cross multiply
    921,892.32x = 1,272,294.95 × 559,408.01
  4. Step 4: Simplify right side
    921,892.32x = 711,731,976,954.04
  5. Step 5: Solve for x
    x = 711,731,976,954.04/921,892.32
  6. Step 6: Final answer
    x = 772,033.74

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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.