Home / 1,011,530.08-1,395,951.48-581,809.36

Finding the Fourth Proportional to 1,011,530.08, 1,395,951.48 and 581,809.36

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Solution

The fourth proportional to 1,011,530.08, 1,395,951.48 and 581,809.36 is: 802,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,530.08 : 1,395,951.48 = 581,809.36 : x
  2. Step 2: Convert to fraction form
    1,011,530.08/1,395,951.48 = 581,809.36/x
  3. Step 3: Cross multiply
    1,011,530.08x = 1,395,951.48 × 581,809.36
  4. Step 4: Simplify right side
    1,011,530.08x = 812,177,637,169.85
  5. Step 5: Solve for x
    x = 812,177,637,169.85/1,011,530.08
  6. Step 6: Final answer
    x = 802,919.91

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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.