Home / 674,946.19-931,434.58-369,022.92

Finding the Fourth Proportional to 674,946.19, 931,434.58 and 369,022.92

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Solution

The fourth proportional to 674,946.19, 931,434.58 and 369,022.92 is: 509,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,946.19 : 931,434.58 = 369,022.92 : x
  2. Step 2: Convert to fraction form
    674,946.19/931,434.58 = 369,022.92/x
  3. Step 3: Cross multiply
    674,946.19x = 931,434.58 × 369,022.92
  4. Step 4: Simplify right side
    674,946.19x = 343,720,708,500.57
  5. Step 5: Solve for x
    x = 343,720,708,500.57/674,946.19
  6. Step 6: Final answer
    x = 509,256.46

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Half scale
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Double scale
Find fourth proportional to 674,947.19, 931,435.96 and 369,023.92
Similar ratio
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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.