Home / 1,186,444.08-1,637,284.59-642,567.42

Finding the Fourth Proportional to 1,186,444.08, 1,637,284.59 and 642,567.42

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Solution

The fourth proportional to 1,186,444.08, 1,637,284.59 and 642,567.42 is: 886,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,444.08 : 1,637,284.59 = 642,567.42 : x
  2. Step 2: Convert to fraction form
    1,186,444.08/1,637,284.59 = 642,567.42/x
  3. Step 3: Cross multiply
    1,186,444.08x = 1,637,284.59 × 642,567.42
  4. Step 4: Simplify right side
    1,186,444.08x = 1,052,065,734,802.06
  5. Step 5: Solve for x
    x = 1,052,065,734,802.06/1,186,444.08
  6. Step 6: Final answer
    x = 886,738.58

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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.