Home / 1,457,000.70-2,185,501.05-392,150.40

Finding the Fourth Proportional to 1,457,000.70, 2,185,501.05 and 392,150.40

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Solution

The fourth proportional to 1,457,000.70, 2,185,501.05 and 392,150.40 is: 588,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,000.70 : 2,185,501.05 = 392,150.40 : x
  2. Step 2: Convert to fraction form
    1,457,000.70/2,185,501.05 = 392,150.40/x
  3. Step 3: Cross multiply
    1,457,000.70x = 2,185,501.05 × 392,150.40
  4. Step 4: Simplify right side
    1,457,000.70x = 857,045,110,957.92
  5. Step 5: Solve for x
    x = 857,045,110,957.92/1,457,000.70
  6. Step 6: Final answer
    x = 588,225.60

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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.