Home / 727,904.40-1,091,856.60-626,427.60

Finding the Fourth Proportional to 727,904.40, 1,091,856.60 and 626,427.60

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Solution

The fourth proportional to 727,904.40, 1,091,856.60 and 626,427.60 is: 939,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,904.40 : 1,091,856.60 = 626,427.60 : x
  2. Step 2: Convert to fraction form
    727,904.40/1,091,856.60 = 626,427.60/x
  3. Step 3: Cross multiply
    727,904.40x = 1,091,856.60 × 626,427.60
  4. Step 4: Simplify right side
    727,904.40x = 683,969,109,482.16
  5. Step 5: Solve for x
    x = 683,969,109,482.16/727,904.40
  6. Step 6: Final answer
    x = 939,641.40

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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.