Home / 975,263.86-1,345,322.46-567,319.78

Finding the Fourth Proportional to 975,263.86, 1,345,322.46 and 567,319.78

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Solution

The fourth proportional to 975,263.86, 1,345,322.46 and 567,319.78 is: 782,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,263.86 : 1,345,322.46 = 567,319.78 : x
  2. Step 2: Convert to fraction form
    975,263.86/1,345,322.46 = 567,319.78/x
  3. Step 3: Cross multiply
    975,263.86x = 1,345,322.46 × 567,319.78
  4. Step 4: Simplify right side
    975,263.86x = 763,228,042,036.26
  5. Step 5: Solve for x
    x = 763,228,042,036.26/975,263.86
  6. Step 6: Final answer
    x = 782,586.20

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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.