Home / 930,169.40-1,395,254.10-812,071.40

Finding the Fourth Proportional to 930,169.40, 1,395,254.10 and 812,071.40

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Solution

The fourth proportional to 930,169.40, 1,395,254.10 and 812,071.40 is: 1,218,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,169.40 : 1,395,254.10 = 812,071.40 : x
  2. Step 2: Convert to fraction form
    930,169.40/1,395,254.10 = 812,071.40/x
  3. Step 3: Cross multiply
    930,169.40x = 1,395,254.10 × 812,071.40
  4. Step 4: Simplify right side
    930,169.40x = 1,133,045,950,342.74
  5. Step 5: Solve for x
    x = 1,133,045,950,342.74/930,169.40
  6. Step 6: Final answer
    x = 1,218,107.10

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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.