Home / 811,776.16-1,119,334.36-607,171.38

Finding the Fourth Proportional to 811,776.16, 1,119,334.36 and 607,171.38

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Solution

The fourth proportional to 811,776.16, 1,119,334.36 and 607,171.38 is: 837,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,776.16 : 1,119,334.36 = 607,171.38 : x
  2. Step 2: Convert to fraction form
    811,776.16/1,119,334.36 = 607,171.38/x
  3. Step 3: Cross multiply
    811,776.16x = 1,119,334.36 × 607,171.38
  4. Step 4: Simplify right side
    811,776.16x = 679,627,779,410.09
  5. Step 5: Solve for x
    x = 679,627,779,410.09/811,776.16
  6. Step 6: Final answer
    x = 837,210.81

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1.5x scale

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.