Home / 736,877.76-1,016,886.24-418,925.76

Finding the Fourth Proportional to 736,877.76, 1,016,886.24 and 418,925.76

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Solution

The fourth proportional to 736,877.76, 1,016,886.24 and 418,925.76 is: 578,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,877.76 : 1,016,886.24 = 418,925.76 : x
  2. Step 2: Convert to fraction form
    736,877.76/1,016,886.24 = 418,925.76/x
  3. Step 3: Cross multiply
    736,877.76x = 1,016,886.24 × 418,925.76
  4. Step 4: Simplify right side
    736,877.76x = 425,999,840,925.54
  5. Step 5: Solve for x
    x = 425,999,840,925.54/736,877.76
  6. Step 6: Final answer
    x = 578,114.67

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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.