Home / 1,678,910-2,316,828.18-914,947.16

Finding the Fourth Proportional to 1,678,910, 2,316,828.18 and 914,947.16

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Solution

The fourth proportional to 1,678,910, 2,316,828.18 and 914,947.16 is: 1,262,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,910 : 2,316,828.18 = 914,947.16 : x
  2. Step 2: Convert to fraction form
    1,678,910/2,316,828.18 = 914,947.16/x
  3. Step 3: Cross multiply
    1,678,910x = 2,316,828.18 × 914,947.16
  4. Step 4: Simplify right side
    1,678,910x = 2,119,775,363,498.97
  5. Step 5: Solve for x
    x = 2,119,775,363,498.97/1,678,910
  6. Step 6: Final answer
    x = 1,262,590.23

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1.5x scale

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.