Home / 1,115,423.19-1,539,306.79-606,158.37

Finding the Fourth Proportional to 1,115,423.19, 1,539,306.79 and 606,158.37

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Solution

The fourth proportional to 1,115,423.19, 1,539,306.79 and 606,158.37 is: 836,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,423.19 : 1,539,306.79 = 606,158.37 : x
  2. Step 2: Convert to fraction form
    1,115,423.19/1,539,306.79 = 606,158.37/x
  3. Step 3: Cross multiply
    1,115,423.19x = 1,539,306.79 × 606,158.37
  4. Step 4: Simplify right side
    1,115,423.19x = 933,063,693,240.94
  5. Step 5: Solve for x
    x = 933,063,693,240.94/1,115,423.19
  6. Step 6: Final answer
    x = 836,510.93

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Double scale
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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.