Home / 734,703.60-1,102,703.40-434,809.20

Finding the Fourth Proportional to 734,703.60, 1,102,703.40 and 434,809.20

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Solution

The fourth proportional to 734,703.60, 1,102,703.40 and 434,809.20 is: 652,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,703.60 : 1,102,703.40 = 434,809.20 : x
  2. Step 2: Convert to fraction form
    734,703.60/1,102,703.40 = 434,809.20/x
  3. Step 3: Cross multiply
    734,703.60x = 1,102,703.40 × 434,809.20
  4. Step 4: Simplify right side
    734,703.60x = 479,465,583,191.28
  5. Step 5: Solve for x
    x = 479,465,583,191.28/734,703.60
  6. Step 6: Final answer
    x = 652,597.30

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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.