Home / 514,211.52-771,816.16-248,159.36

Finding the Fourth Proportional to 514,211.52, 771,816.16 and 248,159.36

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Solution

The fourth proportional to 514,211.52, 771,816.16 and 248,159.36 is: 372,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,211.52 : 771,816.16 = 248,159.36 : x
  2. Step 2: Convert to fraction form
    514,211.52/771,816.16 = 248,159.36/x
  3. Step 3: Cross multiply
    514,211.52x = 771,816.16 × 248,159.36
  4. Step 4: Simplify right side
    514,211.52x = 191,533,404,303.26
  5. Step 5: Solve for x
    x = 191,533,404,303.26/514,211.52
  6. Step 6: Final answer
    x = 372,479.80

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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.