Home / 912,866.16-1,259,331.12-590,680.17

Finding the Fourth Proportional to 912,866.16, 1,259,331.12 and 590,680.17

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Solution

The fourth proportional to 912,866.16, 1,259,331.12 and 590,680.17 is: 814,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,866.16 : 1,259,331.12 = 590,680.17 : x
  2. Step 2: Convert to fraction form
    912,866.16/1,259,331.12 = 590,680.17/x
  3. Step 3: Cross multiply
    912,866.16x = 1,259,331.12 × 590,680.17
  4. Step 4: Simplify right side
    912,866.16x = 743,861,920,047.89
  5. Step 5: Solve for x
    x = 743,861,920,047.89/912,866.16
  6. Step 6: Final answer
    x = 814,864.16

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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.