Home / 1,173,254-1,619,109.96-636,710

Finding the Fourth Proportional to 1,173,254, 1,619,109.96 and 636,710

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Solution

The fourth proportional to 1,173,254, 1,619,109.96 and 636,710 is: 878,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,254 : 1,619,109.96 = 636,710 : x
  2. Step 2: Convert to fraction form
    1,173,254/1,619,109.96 = 636,710/x
  3. Step 3: Cross multiply
    1,173,254x = 1,619,109.96 × 636,710
  4. Step 4: Simplify right side
    1,173,254x = 1,030,903,502,631.60
  5. Step 5: Solve for x
    x = 1,030,903,502,631.60/1,173,254
  6. Step 6: Final answer
    x = 878,670.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.