Home / 877,519.56-1,210,977.06-495,570.93

Finding the Fourth Proportional to 877,519.56, 1,210,977.06 and 495,570.93

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Solution

The fourth proportional to 877,519.56, 1,210,977.06 and 495,570.93 is: 683,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,519.56 : 1,210,977.06 = 495,570.93 : x
  2. Step 2: Convert to fraction form
    877,519.56/1,210,977.06 = 495,570.93/x
  3. Step 3: Cross multiply
    877,519.56x = 1,210,977.06 × 495,570.93
  4. Step 4: Simplify right side
    877,519.56x = 600,125,027,832.87
  5. Step 5: Solve for x
    x = 600,125,027,832.87/877,519.56
  6. Step 6: Final answer
    x = 683,887.92

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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.