Home / 1,223,536.32-1,688,433.16-679,706.35

Finding the Fourth Proportional to 1,223,536.32, 1,688,433.16 and 679,706.35

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Solution

The fourth proportional to 1,223,536.32, 1,688,433.16 and 679,706.35 is: 937,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,536.32 : 1,688,433.16 = 679,706.35 : x
  2. Step 2: Convert to fraction form
    1,223,536.32/1,688,433.16 = 679,706.35/x
  3. Step 3: Cross multiply
    1,223,536.32x = 1,688,433.16 × 679,706.35
  4. Step 4: Simplify right side
    1,223,536.32x = 1,147,638,740,402.57
  5. Step 5: Solve for x
    x = 1,147,638,740,402.57/1,223,536.32
  6. Step 6: Final answer
    x = 937,968.67

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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.