Home / 703,281.40-1,054,922.10-371,505.40

Finding the Fourth Proportional to 703,281.40, 1,054,922.10 and 371,505.40

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Solution

The fourth proportional to 703,281.40, 1,054,922.10 and 371,505.40 is: 557,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,281.40 : 1,054,922.10 = 371,505.40 : x
  2. Step 2: Convert to fraction form
    703,281.40/1,054,922.10 = 371,505.40/x
  3. Step 3: Cross multiply
    703,281.40x = 1,054,922.10 × 371,505.40
  4. Step 4: Simplify right side
    703,281.40x = 391,909,256,729.34
  5. Step 5: Solve for x
    x = 391,909,256,729.34/703,281.40
  6. Step 6: Final answer
    x = 557,258.10

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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.