Home / 867,639.60-1,301,459.40-395,247.60

Finding the Fourth Proportional to 867,639.60, 1,301,459.40 and 395,247.60

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Solution

The fourth proportional to 867,639.60, 1,301,459.40 and 395,247.60 is: 592,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,639.60 : 1,301,459.40 = 395,247.60 : x
  2. Step 2: Convert to fraction form
    867,639.60/1,301,459.40 = 395,247.60/x
  3. Step 3: Cross multiply
    867,639.60x = 1,301,459.40 × 395,247.60
  4. Step 4: Simplify right side
    867,639.60x = 514,398,704,347.44
  5. Step 5: Solve for x
    x = 514,398,704,347.44/867,639.60
  6. Step 6: Final answer
    x = 592,871.40

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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.