Home / 877,516.54-1,210,972.90-495,567.94

Finding the Fourth Proportional to 877,516.54, 1,210,972.90 and 495,567.94

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Solution

The fourth proportional to 877,516.54, 1,210,972.90 and 495,567.94 is: 683,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,516.54 : 1,210,972.90 = 495,567.94 : x
  2. Step 2: Convert to fraction form
    877,516.54/1,210,972.90 = 495,567.94/x
  3. Step 3: Cross multiply
    877,516.54x = 1,210,972.90 × 495,567.94
  4. Step 4: Simplify right side
    877,516.54x = 600,119,345,448.83
  5. Step 5: Solve for x
    x = 600,119,345,448.83/877,516.54
  6. Step 6: Final answer
    x = 683,883.80

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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.