Home / 898,923.20-1,240,688.40-577,040.48

Finding the Fourth Proportional to 898,923.20, 1,240,688.40 and 577,040.48

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Solution

The fourth proportional to 898,923.20, 1,240,688.40 and 577,040.48 is: 796,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,923.20 : 1,240,688.40 = 577,040.48 : x
  2. Step 2: Convert to fraction form
    898,923.20/1,240,688.40 = 577,040.48/x
  3. Step 3: Cross multiply
    898,923.20x = 1,240,688.40 × 577,040.48
  4. Step 4: Simplify right side
    898,923.20x = 715,927,429,866.43
  5. Step 5: Solve for x
    x = 715,927,429,866.43/898,923.20
  6. Step 6: Final answer
    x = 796,427.80

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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.