Home / 698,856.48-1,048,328.64-186,511.92

Finding the Fourth Proportional to 698,856.48, 1,048,328.64 and 186,511.92

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Solution

The fourth proportional to 698,856.48, 1,048,328.64 and 186,511.92 is: 279,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,856.48 : 1,048,328.64 = 186,511.92 : x
  2. Step 2: Convert to fraction form
    698,856.48/1,048,328.64 = 186,511.92/x
  3. Step 3: Cross multiply
    698,856.48x = 1,048,328.64 × 186,511.92
  4. Step 4: Simplify right side
    698,856.48x = 195,525,787,437.39
  5. Step 5: Solve for x
    x = 195,525,787,437.39/698,856.48
  6. Step 6: Final answer
    x = 279,779.60

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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.