Home / 877,896.48-1,211,595.51-495,947.88

Finding the Fourth Proportional to 877,896.48, 1,211,595.51 and 495,947.88

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Solution

The fourth proportional to 877,896.48, 1,211,595.51 and 495,947.88 is: 684,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,896.48 : 1,211,595.51 = 495,947.88 : x
  2. Step 2: Convert to fraction form
    877,896.48/1,211,595.51 = 495,947.88/x
  3. Step 3: Cross multiply
    877,896.48x = 1,211,595.51 × 495,947.88
  4. Step 4: Simplify right side
    877,896.48x = 600,888,224,602.02
  5. Step 5: Solve for x
    x = 600,888,224,602.02/877,896.48
  6. Step 6: Final answer
    x = 684,463.64

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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.