Home / 942,643.30-1,416,917.40-924,928.60

Finding the Fourth Proportional to 942,643.30, 1,416,917.40 and 924,928.60

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Solution

The fourth proportional to 942,643.30, 1,416,917.40 and 924,928.60 is: 1,390,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,643.30 : 1,416,917.40 = 924,928.60 : x
  2. Step 2: Convert to fraction form
    942,643.30/1,416,917.40 = 924,928.60/x
  3. Step 3: Cross multiply
    942,643.30x = 1,416,917.40 × 924,928.60
  4. Step 4: Simplify right side
    942,643.30x = 1,310,547,427,097.64
  5. Step 5: Solve for x
    x = 1,310,547,427,097.64/942,643.30
  6. Step 6: Final answer
    x = 1,390,289.87

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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.