Home / 811,774.17-1,119,331.59-607,169.40

Finding the Fourth Proportional to 811,774.17, 1,119,331.59 and 607,169.40

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Solution

The fourth proportional to 811,774.17, 1,119,331.59 and 607,169.40 is: 837,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,774.17 : 1,119,331.59 = 607,169.40 : x
  2. Step 2: Convert to fraction form
    811,774.17/1,119,331.59 = 607,169.40/x
  3. Step 3: Cross multiply
    811,774.17x = 1,119,331.59 × 607,169.40
  4. Step 4: Simplify right side
    811,774.17x = 679,623,889,901.35
  5. Step 5: Solve for x
    x = 679,623,889,901.35/811,774.17
  6. Step 6: Final answer
    x = 837,208.07

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Double scale
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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.