Home / 839,931.40-1,159,099.50-477,326.80

Finding the Fourth Proportional to 839,931.40, 1,159,099.50 and 477,326.80

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Solution

The fourth proportional to 839,931.40, 1,159,099.50 and 477,326.80 is: 658,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,931.40 : 1,159,099.50 = 477,326.80 : x
  2. Step 2: Convert to fraction form
    839,931.40/1,159,099.50 = 477,326.80/x
  3. Step 3: Cross multiply
    839,931.40x = 1,159,099.50 × 477,326.80
  4. Step 4: Simplify right side
    839,931.40x = 553,269,255,216.60
  5. Step 5: Solve for x
    x = 553,269,255,216.60/839,931.40
  6. Step 6: Final answer
    x = 658,707.67

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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.