Home / 912,164.04-1,258,677.36-504,210.78

Finding the Fourth Proportional to 912,164.04, 1,258,677.36 and 504,210.78

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Solution

The fourth proportional to 912,164.04, 1,258,677.36 and 504,210.78 is: 695,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,164.04 : 1,258,677.36 = 504,210.78 : x
  2. Step 2: Convert to fraction form
    912,164.04/1,258,677.36 = 504,210.78/x
  3. Step 3: Cross multiply
    912,164.04x = 1,258,677.36 × 504,210.78
  4. Step 4: Simplify right side
    912,164.04x = 634,638,693,453.94
  5. Step 5: Solve for x
    x = 634,638,693,453.94/912,164.04
  6. Step 6: Final answer
    x = 695,750.62

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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.