Home / 916,360.01-1,374,719.15-276,715.81

Finding the Fourth Proportional to 916,360.01, 1,374,719.15 and 276,715.81

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Solution

The fourth proportional to 916,360.01, 1,374,719.15 and 276,715.81 is: 415,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,360.01 : 1,374,719.15 = 276,715.81 : x
  2. Step 2: Convert to fraction form
    916,360.01/1,374,719.15 = 276,715.81/x
  3. Step 3: Cross multiply
    916,360.01x = 1,374,719.15 × 276,715.81
  4. Step 4: Simplify right side
    916,360.01x = 380,406,528,813.86
  5. Step 5: Solve for x
    x = 380,406,528,813.86/916,360.01
  6. Step 6: Final answer
    x = 415,127.82

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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.