Home / 811,771.17-1,119,327.45-607,166.40

Finding the Fourth Proportional to 811,771.17, 1,119,327.45 and 607,166.40

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Solution

The fourth proportional to 811,771.17, 1,119,327.45 and 607,166.40 is: 837,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,771.17 : 1,119,327.45 = 607,166.40 : x
  2. Step 2: Convert to fraction form
    811,771.17/1,119,327.45 = 607,166.40/x
  3. Step 3: Cross multiply
    811,771.17x = 1,119,327.45 × 607,166.40
  4. Step 4: Simplify right side
    811,771.17x = 679,618,018,237.68
  5. Step 5: Solve for x
    x = 679,618,018,237.68/811,771.17
  6. Step 6: Final answer
    x = 837,203.94

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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.