Home / 434,423.60-651,667.80-153,904.40

Finding the Fourth Proportional to 434,423.60, 651,667.80 and 153,904.40

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Solution

The fourth proportional to 434,423.60, 651,667.80 and 153,904.40 is: 230,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,423.60 : 651,667.80 = 153,904.40 : x
  2. Step 2: Convert to fraction form
    434,423.60/651,667.80 = 153,904.40/x
  3. Step 3: Cross multiply
    434,423.60x = 651,667.80 × 153,904.40
  4. Step 4: Simplify right side
    434,423.60x = 100,294,541,758.32
  5. Step 5: Solve for x
    x = 100,294,541,758.32/434,423.60
  6. Step 6: Final answer
    x = 230,868.08

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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.