Home / 830,200.32-1,145,683.20-472,527.36

Finding the Fourth Proportional to 830,200.32, 1,145,683.20 and 472,527.36

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Solution

The fourth proportional to 830,200.32, 1,145,683.20 and 472,527.36 is: 652,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,200.32 : 1,145,683.20 = 472,527.36 : x
  2. Step 2: Convert to fraction form
    830,200.32/1,145,683.20 = 472,527.36/x
  3. Step 3: Cross multiply
    830,200.32x = 1,145,683.20 × 472,527.36
  4. Step 4: Simplify right side
    830,200.32x = 541,366,657,892.35
  5. Step 5: Solve for x
    x = 541,366,657,892.35/830,200.32
  6. Step 6: Final answer
    x = 652,091.60

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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.