Home / 1,088,029.42-1,501,014.80-679,421.87

Finding the Fourth Proportional to 1,088,029.42, 1,501,014.80 and 679,421.87

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Solution

The fourth proportional to 1,088,029.42, 1,501,014.80 and 679,421.87 is: 937,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,029.42 : 1,501,014.80 = 679,421.87 : x
  2. Step 2: Convert to fraction form
    1,088,029.42/1,501,014.80 = 679,421.87/x
  3. Step 3: Cross multiply
    1,088,029.42x = 1,501,014.80 × 679,421.87
  4. Step 4: Simplify right side
    1,088,029.42x = 1,019,822,282,669.10
  5. Step 5: Solve for x
    x = 1,019,822,282,669.10/1,088,029.42
  6. Step 6: Final answer
    x = 937,311.31

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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.