Home / 692,140.70-1,038,211.05-692,140.70

Finding the Fourth Proportional to 692,140.70, 1,038,211.05 and 692,140.70

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Solution

The fourth proportional to 692,140.70, 1,038,211.05 and 692,140.70 is: 1,038,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,140.70 : 1,038,211.05 = 692,140.70 : x
  2. Step 2: Convert to fraction form
    692,140.70/1,038,211.05 = 692,140.70/x
  3. Step 3: Cross multiply
    692,140.70x = 1,038,211.05 × 692,140.70
  4. Step 4: Simplify right side
    692,140.70x = 718,588,122,894.74
  5. Step 5: Solve for x
    x = 718,588,122,894.74/692,140.70
  6. Step 6: Final answer
    x = 1,038,211.05

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1.5x scale

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.