Home / 1,533,665.20-2,300,476.20-692,215.60

Finding the Fourth Proportional to 1,533,665.20, 2,300,476.20 and 692,215.60

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Solution

The fourth proportional to 1,533,665.20, 2,300,476.20 and 692,215.60 is: 1,038,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,665.20 : 2,300,476.20 = 692,215.60 : x
  2. Step 2: Convert to fraction form
    1,533,665.20/2,300,476.20 = 692,215.60/x
  3. Step 3: Cross multiply
    1,533,665.20x = 2,300,476.20 × 692,215.60
  4. Step 4: Simplify right side
    1,533,665.20x = 1,592,425,513,068.72
  5. Step 5: Solve for x
    x = 1,592,425,513,068.72/1,533,665.20
  6. Step 6: Final answer
    x = 1,038,313.65

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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.