Home / 931,237.60-1,283,882.18-608,386.72

Finding the Fourth Proportional to 931,237.60, 1,283,882.18 and 608,386.72

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Solution

The fourth proportional to 931,237.60, 1,283,882.18 and 608,386.72 is: 838,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,237.60 : 1,283,882.18 = 608,386.72 : x
  2. Step 2: Convert to fraction form
    931,237.60/1,283,882.18 = 608,386.72/x
  3. Step 3: Cross multiply
    931,237.60x = 1,283,882.18 × 608,386.72
  4. Step 4: Simplify right side
    931,237.60x = 781,096,868,356.65
  5. Step 5: Solve for x
    x = 781,096,868,356.65/931,237.60
  6. Step 6: Final answer
    x = 838,772.91

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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.