Home / 1,386,877.51-1,913,853.95-775,035.04

Finding the Fourth Proportional to 1,386,877.51, 1,913,853.95 and 775,035.04

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Solution

The fourth proportional to 1,386,877.51, 1,913,853.95 and 775,035.04 is: 1,069,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,877.51 : 1,913,853.95 = 775,035.04 : x
  2. Step 2: Convert to fraction form
    1,386,877.51/1,913,853.95 = 775,035.04/x
  3. Step 3: Cross multiply
    1,386,877.51x = 1,913,853.95 × 775,035.04
  4. Step 4: Simplify right side
    1,386,877.51x = 1,483,303,874,052.91
  5. Step 5: Solve for x
    x = 1,483,303,874,052.91/1,386,877.51
  6. Step 6: Final answer
    x = 1,069,527.67

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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.