Home / 1,065,305.40-1,596,597.30-433,505.40

Finding the Fourth Proportional to 1,065,305.40, 1,596,597.30 and 433,505.40

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Solution

The fourth proportional to 1,065,305.40, 1,596,597.30 and 433,505.40 is: 649,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,305.40 : 1,596,597.30 = 433,505.40 : x
  2. Step 2: Convert to fraction form
    1,065,305.40/1,596,597.30 = 433,505.40/x
  3. Step 3: Cross multiply
    1,065,305.40x = 1,596,597.30 × 433,505.40
  4. Step 4: Simplify right side
    1,065,305.40x = 692,133,551,175.42
  5. Step 5: Solve for x
    x = 692,133,551,175.42/1,065,305.40
  6. Step 6: Final answer
    x = 649,704.35

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Double scale
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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.