Home / 704,004.80-1,056,007.20-348,881.60

Finding the Fourth Proportional to 704,004.80, 1,056,007.20 and 348,881.60

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Solution

The fourth proportional to 704,004.80, 1,056,007.20 and 348,881.60 is: 523,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,004.80 : 1,056,007.20 = 348,881.60 : x
  2. Step 2: Convert to fraction form
    704,004.80/1,056,007.20 = 348,881.60/x
  3. Step 3: Cross multiply
    704,004.80x = 1,056,007.20 × 348,881.60
  4. Step 4: Simplify right side
    704,004.80x = 368,421,481,547.52
  5. Step 5: Solve for x
    x = 368,421,481,547.52/704,004.80
  6. Step 6: Final answer
    x = 523,322.40

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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.