Home / 697,085.40-1,046,405.70-651,401.40

Finding the Fourth Proportional to 697,085.40, 1,046,405.70 and 651,401.40

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Solution

The fourth proportional to 697,085.40, 1,046,405.70 and 651,401.40 is: 977,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,085.40 : 1,046,405.70 = 651,401.40 : x
  2. Step 2: Convert to fraction form
    697,085.40/1,046,405.70 = 651,401.40/x
  3. Step 3: Cross multiply
    697,085.40x = 1,046,405.70 × 651,401.40
  4. Step 4: Simplify right side
    697,085.40x = 681,630,137,947.98
  5. Step 5: Solve for x
    x = 681,630,137,947.98/697,085.40
  6. Step 6: Final answer
    x = 977,828.74

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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.