Home / 1,141,575.34-1,712,215.05-431,510.98

Finding the Fourth Proportional to 1,141,575.34, 1,712,215.05 and 431,510.98

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Solution

The fourth proportional to 1,141,575.34, 1,712,215.05 and 431,510.98 is: 647,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,575.34 : 1,712,215.05 = 431,510.98 : x
  2. Step 2: Convert to fraction form
    1,141,575.34/1,712,215.05 = 431,510.98/x
  3. Step 3: Cross multiply
    1,141,575.34x = 1,712,215.05 × 431,510.98
  4. Step 4: Simplify right side
    1,141,575.34x = 738,839,594,196.25
  5. Step 5: Solve for x
    x = 738,839,594,196.25/1,141,575.34
  6. Step 6: Final answer
    x = 647,210.54

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Double scale
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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.