Home / 656,256.30-984,384.45-490,368.30

Finding the Fourth Proportional to 656,256.30, 984,384.45 and 490,368.30

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Solution

The fourth proportional to 656,256.30, 984,384.45 and 490,368.30 is: 735,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,256.30 : 984,384.45 = 490,368.30 : x
  2. Step 2: Convert to fraction form
    656,256.30/984,384.45 = 490,368.30/x
  3. Step 3: Cross multiply
    656,256.30x = 984,384.45 × 490,368.30
  4. Step 4: Simplify right side
    656,256.30x = 482,710,929,292.94
  5. Step 5: Solve for x
    x = 482,710,929,292.94/656,256.30
  6. Step 6: Final answer
    x = 735,552.45

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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.