Home / 1,692,574.10-2,538,877.56-430,401.72

Finding the Fourth Proportional to 1,692,574.10, 2,538,877.56 and 430,401.72

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Solution

The fourth proportional to 1,692,574.10, 2,538,877.56 and 430,401.72 is: 645,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,574.10 : 2,538,877.56 = 430,401.72 : x
  2. Step 2: Convert to fraction form
    1,692,574.10/2,538,877.56 = 430,401.72/x
  3. Step 3: Cross multiply
    1,692,574.10x = 2,538,877.56 × 430,401.72
  4. Step 4: Simplify right side
    1,692,574.10x = 1,092,737,276,600.19
  5. Step 5: Solve for x
    x = 1,092,737,276,600.19/1,692,574.10
  6. Step 6: Final answer
    x = 645,606.76

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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.