Home / 811,775.66-1,119,333.67-607,170.87

Finding the Fourth Proportional to 811,775.66, 1,119,333.67 and 607,170.87

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Solution

The fourth proportional to 811,775.66, 1,119,333.67 and 607,170.87 is: 837,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,775.66 : 1,119,333.67 = 607,170.87 : x
  2. Step 2: Convert to fraction form
    811,775.66/1,119,333.67 = 607,170.87/x
  3. Step 3: Cross multiply
    811,775.66x = 1,119,333.67 × 607,170.87
  4. Step 4: Simplify right side
    811,775.66x = 679,626,800,913.77
  5. Step 5: Solve for x
    x = 679,626,800,913.77/811,775.66
  6. Step 6: Final answer
    x = 837,210.13

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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.