Home / 907,146.76-1,360,733.10-316,170.76

Finding the Fourth Proportional to 907,146.76, 1,360,733.10 and 316,170.76

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Solution

The fourth proportional to 907,146.76, 1,360,733.10 and 316,170.76 is: 474,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,146.76 : 1,360,733.10 = 316,170.76 : x
  2. Step 2: Convert to fraction form
    907,146.76/1,360,733.10 = 316,170.76/x
  3. Step 3: Cross multiply
    907,146.76x = 1,360,733.10 × 316,170.76
  4. Step 4: Simplify right side
    907,146.76x = 430,224,018,384.16
  5. Step 5: Solve for x
    x = 430,224,018,384.16/907,146.76
  6. Step 6: Final answer
    x = 474,260.66

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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.