Home / 1,626,355.80-2,439,533.70-786,547.80

Finding the Fourth Proportional to 1,626,355.80, 2,439,533.70 and 786,547.80

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Solution

The fourth proportional to 1,626,355.80, 2,439,533.70 and 786,547.80 is: 1,179,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,355.80 : 2,439,533.70 = 786,547.80 : x
  2. Step 2: Convert to fraction form
    1,626,355.80/2,439,533.70 = 786,547.80/x
  3. Step 3: Cross multiply
    1,626,355.80x = 2,439,533.70 × 786,547.80
  4. Step 4: Simplify right side
    1,626,355.80x = 1,918,809,864,760.86
  5. Step 5: Solve for x
    x = 1,918,809,864,760.86/1,626,355.80
  6. Step 6: Final answer
    x = 1,179,821.70

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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.