Home / 977,611.60-1,466,417.40-859,416.40

Finding the Fourth Proportional to 977,611.60, 1,466,417.40 and 859,416.40

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Solution

The fourth proportional to 977,611.60, 1,466,417.40 and 859,416.40 is: 1,289,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,611.60 : 1,466,417.40 = 859,416.40 : x
  2. Step 2: Convert to fraction form
    977,611.60/1,466,417.40 = 859,416.40/x
  3. Step 3: Cross multiply
    977,611.60x = 1,466,417.40 × 859,416.40
  4. Step 4: Simplify right side
    977,611.60x = 1,260,263,162,805.36
  5. Step 5: Solve for x
    x = 1,260,263,162,805.36/977,611.60
  6. Step 6: Final answer
    x = 1,289,124.60

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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.