Home / 763,559.10-1,145,338.65-604,928.70

Finding the Fourth Proportional to 763,559.10, 1,145,338.65 and 604,928.70

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Solution

The fourth proportional to 763,559.10, 1,145,338.65 and 604,928.70 is: 907,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,559.10 : 1,145,338.65 = 604,928.70 : x
  2. Step 2: Convert to fraction form
    763,559.10/1,145,338.65 = 604,928.70/x
  3. Step 3: Cross multiply
    763,559.10x = 1,145,338.65 × 604,928.70
  4. Step 4: Simplify right side
    763,559.10x = 692,848,220,604.26
  5. Step 5: Solve for x
    x = 692,848,220,604.26/763,559.10
  6. Step 6: Final answer
    x = 907,393.05

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Double scale
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Similar ratio
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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.