Home / 649,985.40-973,077.30-463,361.40

Finding the Fourth Proportional to 649,985.40, 973,077.30 and 463,361.40

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Solution

The fourth proportional to 649,985.40, 973,077.30 and 463,361.40 is: 693,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,985.40 : 973,077.30 = 463,361.40 : x
  2. Step 2: Convert to fraction form
    649,985.40/973,077.30 = 463,361.40/x
  3. Step 3: Cross multiply
    649,985.40x = 973,077.30 × 463,361.40
  4. Step 4: Simplify right side
    649,985.40x = 450,886,460,036.22
  5. Step 5: Solve for x
    x = 450,886,460,036.22/649,985.40
  6. Step 6: Final answer
    x = 693,687.06

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Double scale
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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.