Home / 1,263,871.76-1,894,130.93-553,125.92

Finding the Fourth Proportional to 1,263,871.76, 1,894,130.93 and 553,125.92

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Solution

The fourth proportional to 1,263,871.76, 1,894,130.93 and 553,125.92 is: 828,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,871.76 : 1,894,130.93 = 553,125.92 : x
  2. Step 2: Convert to fraction form
    1,263,871.76/1,894,130.93 = 553,125.92/x
  3. Step 3: Cross multiply
    1,263,871.76x = 1,894,130.93 × 553,125.92
  4. Step 4: Simplify right side
    1,263,871.76x = 1,047,692,905,168.87
  5. Step 5: Solve for x
    x = 1,047,692,905,168.87/1,263,871.76
  6. Step 6: Final answer
    x = 828,955.07

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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.