Home / 738,835.76-1,108,253.64-570,601.47

Finding the Fourth Proportional to 738,835.76, 1,108,253.64 and 570,601.47

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Solution

The fourth proportional to 738,835.76, 1,108,253.64 and 570,601.47 is: 855,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,835.76 : 1,108,253.64 = 570,601.47 : x
  2. Step 2: Convert to fraction form
    738,835.76/1,108,253.64 = 570,601.47/x
  3. Step 3: Cross multiply
    738,835.76x = 1,108,253.64 × 570,601.47
  4. Step 4: Simplify right side
    738,835.76x = 632,371,152,969.00
  5. Step 5: Solve for x
    x = 632,371,152,969.00/738,835.76
  6. Step 6: Final answer
    x = 855,902.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.