Home / 874,890.95-1,312,052.74-335,118.51

Finding the Fourth Proportional to 874,890.95, 1,312,052.74 and 335,118.51

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Solution

The fourth proportional to 874,890.95, 1,312,052.74 and 335,118.51 is: 502,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,890.95 : 1,312,052.74 = 335,118.51 : x
  2. Step 2: Convert to fraction form
    874,890.95/1,312,052.74 = 335,118.51/x
  3. Step 3: Cross multiply
    874,890.95x = 1,312,052.74 × 335,118.51
  4. Step 4: Simplify right side
    874,890.95x = 439,693,154,768.92
  5. Step 5: Solve for x
    x = 439,693,154,768.92/874,890.95
  6. Step 6: Final answer
    x = 502,569.10

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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.