Home / 1,039,206.10-1,558,809.15-638,547.70

Finding the Fourth Proportional to 1,039,206.10, 1,558,809.15 and 638,547.70

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Solution

The fourth proportional to 1,039,206.10, 1,558,809.15 and 638,547.70 is: 957,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,206.10 : 1,558,809.15 = 638,547.70 : x
  2. Step 2: Convert to fraction form
    1,039,206.10/1,558,809.15 = 638,547.70/x
  3. Step 3: Cross multiply
    1,039,206.10x = 1,558,809.15 × 638,547.70
  4. Step 4: Simplify right side
    1,039,206.10x = 995,373,997,471.46
  5. Step 5: Solve for x
    x = 995,373,997,471.46/1,039,206.10
  6. Step 6: Final answer
    x = 957,821.55

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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.