Home / 1,029,112.65-1,420,174.06-570,256.94

Finding the Fourth Proportional to 1,029,112.65, 1,420,174.06 and 570,256.94

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Solution

The fourth proportional to 1,029,112.65, 1,420,174.06 and 570,256.94 is: 786,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,112.65 : 1,420,174.06 = 570,256.94 : x
  2. Step 2: Convert to fraction form
    1,029,112.65/1,420,174.06 = 570,256.94/x
  3. Step 3: Cross multiply
    1,029,112.65x = 1,420,174.06 × 570,256.94
  4. Step 4: Simplify right side
    1,029,112.65x = 809,864,113,722.98
  5. Step 5: Solve for x
    x = 809,864,113,722.98/1,029,112.65
  6. Step 6: Final answer
    x = 786,953.80

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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.