Home / 866,319.81-1,195,041.40-503,703.60

Finding the Fourth Proportional to 866,319.81, 1,195,041.40 and 503,703.60

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Solution

The fourth proportional to 866,319.81, 1,195,041.40 and 503,703.60 is: 694,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,319.81 : 1,195,041.40 = 503,703.60 : x
  2. Step 2: Convert to fraction form
    866,319.81/1,195,041.40 = 503,703.60/x
  3. Step 3: Cross multiply
    866,319.81x = 1,195,041.40 × 503,703.60
  4. Step 4: Simplify right side
    866,319.81x = 601,946,649,588.38
  5. Step 5: Solve for x
    x = 601,946,649,588.38/866,319.81
  6. Step 6: Final answer
    x = 694,831.91

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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.