Home / 922,749.44-1,273,394.40-520,341.44

Finding the Fourth Proportional to 922,749.44, 1,273,394.40 and 520,341.44

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Solution

The fourth proportional to 922,749.44, 1,273,394.40 and 520,341.44 is: 718,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,749.44 : 1,273,394.40 = 520,341.44 : x
  2. Step 2: Convert to fraction form
    922,749.44/1,273,394.40 = 520,341.44/x
  3. Step 3: Cross multiply
    922,749.44x = 1,273,394.40 × 520,341.44
  4. Step 4: Simplify right side
    922,749.44x = 662,599,875,783.94
  5. Step 5: Solve for x
    x = 662,599,875,783.94/922,749.44
  6. Step 6: Final answer
    x = 718,071.28

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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.