Home / 907,265.40-1,360,898.10-509,134.20

Finding the Fourth Proportional to 907,265.40, 1,360,898.10 and 509,134.20

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Solution

The fourth proportional to 907,265.40, 1,360,898.10 and 509,134.20 is: 763,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,265.40 : 1,360,898.10 = 509,134.20 : x
  2. Step 2: Convert to fraction form
    907,265.40/1,360,898.10 = 509,134.20/x
  3. Step 3: Cross multiply
    907,265.40x = 1,360,898.10 × 509,134.20
  4. Step 4: Simplify right side
    907,265.40x = 692,879,765,425.02
  5. Step 5: Solve for x
    x = 692,879,765,425.02/907,265.40
  6. Step 6: Final answer
    x = 763,701.30

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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.