Home / 1,039,279.80-1,559,438.10-590,345.40

Finding the Fourth Proportional to 1,039,279.80, 1,559,438.10 and 590,345.40

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Solution

The fourth proportional to 1,039,279.80, 1,559,438.10 and 590,345.40 is: 885,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,279.80 : 1,559,438.10 = 590,345.40 : x
  2. Step 2: Convert to fraction form
    1,039,279.80/1,559,438.10 = 590,345.40/x
  3. Step 3: Cross multiply
    1,039,279.80x = 1,559,438.10 × 590,345.40
  4. Step 4: Simplify right side
    1,039,279.80x = 920,607,108,919.74
  5. Step 5: Solve for x
    x = 920,607,108,919.74/1,039,279.80
  6. Step 6: Final answer
    x = 885,812.57

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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.