Home / 1,586,068.80-2,188,776.63-860,916.40

Finding the Fourth Proportional to 1,586,068.80, 2,188,776.63 and 860,916.40

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Solution

The fourth proportional to 1,586,068.80, 2,188,776.63 and 860,916.40 is: 1,188,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,068.80 : 2,188,776.63 = 860,916.40 : x
  2. Step 2: Convert to fraction form
    1,586,068.80/2,188,776.63 = 860,916.40/x
  3. Step 3: Cross multiply
    1,586,068.80x = 2,188,776.63 × 860,916.40
  4. Step 4: Simplify right side
    1,586,068.80x = 1,884,353,694,460.23
  5. Step 5: Solve for x
    x = 1,884,353,694,460.23/1,586,068.80
  6. Step 6: Final answer
    x = 1,188,065.55

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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.