Home / 833,852.40-1,249,443.72-811,708.62

Finding the Fourth Proportional to 833,852.40, 1,249,443.72 and 811,708.62

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Solution

The fourth proportional to 833,852.40, 1,249,443.72 and 811,708.62 is: 1,216,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,852.40 : 1,249,443.72 = 811,708.62 : x
  2. Step 2: Convert to fraction form
    833,852.40/1,249,443.72 = 811,708.62/x
  3. Step 3: Cross multiply
    833,852.40x = 1,249,443.72 × 811,708.62
  4. Step 4: Simplify right side
    833,852.40x = 1,014,184,237,728.87
  5. Step 5: Solve for x
    x = 1,014,184,237,728.87/833,852.40
  6. Step 6: Final answer
    x = 1,216,263.50

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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.