Home / 814,258.47-1,123,681.76-451,705.31

Finding the Fourth Proportional to 814,258.47, 1,123,681.76 and 451,705.31

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Solution

The fourth proportional to 814,258.47, 1,123,681.76 and 451,705.31 is: 623,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,258.47 : 1,123,681.76 = 451,705.31 : x
  2. Step 2: Convert to fraction form
    814,258.47/1,123,681.76 = 451,705.31/x
  3. Step 3: Cross multiply
    814,258.47x = 1,123,681.76 × 451,705.31
  4. Step 4: Simplify right side
    814,258.47x = 507,573,018,313.75
  5. Step 5: Solve for x
    x = 507,573,018,313.75/814,258.47
  6. Step 6: Final answer
    x = 623,356.14

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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.