Home / 589,111.60-883,667.40-289,638.40

Finding the Fourth Proportional to 589,111.60, 883,667.40 and 289,638.40

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Solution

The fourth proportional to 589,111.60, 883,667.40 and 289,638.40 is: 434,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,111.60 : 883,667.40 = 289,638.40 : x
  2. Step 2: Convert to fraction form
    589,111.60/883,667.40 = 289,638.40/x
  3. Step 3: Cross multiply
    589,111.60x = 883,667.40 × 289,638.40
  4. Step 4: Simplify right side
    589,111.60x = 255,944,011,868.16
  5. Step 5: Solve for x
    x = 255,944,011,868.16/589,111.60
  6. Step 6: Final answer
    x = 434,457.60

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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.