Home / 877,816.64-1,210,901.93-714,648.67

Finding the Fourth Proportional to 877,816.64, 1,210,901.93 and 714,648.67

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Solution

The fourth proportional to 877,816.64, 1,210,901.93 and 714,648.67 is: 985,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,816.64 : 1,210,901.93 = 714,648.67 : x
  2. Step 2: Convert to fraction form
    877,816.64/1,210,901.93 = 714,648.67/x
  3. Step 3: Cross multiply
    877,816.64x = 1,210,901.93 × 714,648.67
  4. Step 4: Simplify right side
    877,816.64x = 865,369,451,603.83
  5. Step 5: Solve for x
    x = 865,369,451,603.83/877,816.64
  6. Step 6: Final answer
    x = 985,820.29

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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.