Home / 877,257.42-1,210,590.27-495,319.74

Finding the Fourth Proportional to 877,257.42, 1,210,590.27 and 495,319.74

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Solution

The fourth proportional to 877,257.42, 1,210,590.27 and 495,319.74 is: 683,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,257.42 : 1,210,590.27 = 495,319.74 : x
  2. Step 2: Convert to fraction form
    877,257.42/1,210,590.27 = 495,319.74/x
  3. Step 3: Cross multiply
    877,257.42x = 1,210,590.27 × 495,319.74
  4. Step 4: Simplify right side
    877,257.42x = 599,629,257,782.93
  5. Step 5: Solve for x
    x = 599,629,257,782.93/877,257.42
  6. Step 6: Final answer
    x = 683,527.14

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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.