Home / 857,579.70-1,183,532.67-475,729.50

Finding the Fourth Proportional to 857,579.70, 1,183,532.67 and 475,729.50

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Solution

The fourth proportional to 857,579.70, 1,183,532.67 and 475,729.50 is: 656,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,579.70 : 1,183,532.67 = 475,729.50 : x
  2. Step 2: Convert to fraction form
    857,579.70/1,183,532.67 = 475,729.50/x
  3. Step 3: Cross multiply
    857,579.70x = 1,183,532.67 × 475,729.50
  4. Step 4: Simplify right side
    857,579.70x = 563,041,405,332.77
  5. Step 5: Solve for x
    x = 563,041,405,332.77/857,579.70
  6. Step 6: Final answer
    x = 656,547.03

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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.