Home / 1,232,020.32-1,700,216-723,089.76

Finding the Fourth Proportional to 1,232,020.32, 1,700,216 and 723,089.76

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Solution

The fourth proportional to 1,232,020.32, 1,700,216 and 723,089.76 is: 997,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,020.32 : 1,700,216 = 723,089.76 : x
  2. Step 2: Convert to fraction form
    1,232,020.32/1,700,216 = 723,089.76/x
  3. Step 3: Cross multiply
    1,232,020.32x = 1,700,216 × 723,089.76
  4. Step 4: Simplify right side
    1,232,020.32x = 1,229,408,779,388.16
  5. Step 5: Solve for x
    x = 1,229,408,779,388.16/1,232,020.32
  6. Step 6: Final answer
    x = 997,880.28

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Double scale
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1.5x scale

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.