Home / 1,533,808.20-2,300,690.70-692,358.60

Finding the Fourth Proportional to 1,533,808.20, 2,300,690.70 and 692,358.60

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Solution

The fourth proportional to 1,533,808.20, 2,300,690.70 and 692,358.60 is: 1,038,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,808.20 : 2,300,690.70 = 692,358.60 : x
  2. Step 2: Convert to fraction form
    1,533,808.20/2,300,690.70 = 692,358.60/x
  3. Step 3: Cross multiply
    1,533,808.20x = 2,300,690.70 × 692,358.60
  4. Step 4: Simplify right side
    1,533,808.20x = 1,592,902,992,085.02
  5. Step 5: Solve for x
    x = 1,592,902,992,085.02/1,533,808.20
  6. Step 6: Final answer
    x = 1,038,528.15

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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.