Home / 972,186.60-1,457,588.70-372,916.20

Finding the Fourth Proportional to 972,186.60, 1,457,588.70 and 372,916.20

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Solution

The fourth proportional to 972,186.60, 1,457,588.70 and 372,916.20 is: 559,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,186.60 : 1,457,588.70 = 372,916.20 : x
  2. Step 2: Convert to fraction form
    972,186.60/1,457,588.70 = 372,916.20/x
  3. Step 3: Cross multiply
    972,186.60x = 1,457,588.70 × 372,916.20
  4. Step 4: Simplify right side
    972,186.60x = 543,558,439,166.94
  5. Step 5: Solve for x
    x = 543,558,439,166.94/972,186.60
  6. Step 6: Final answer
    x = 559,109.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.