Home / 527,036.10-728,535.59-470,238.36

Finding the Fourth Proportional to 527,036.10, 728,535.59 and 470,238.36

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Solution

The fourth proportional to 527,036.10, 728,535.59 and 470,238.36 is: 650,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,036.10 : 728,535.59 = 470,238.36 : x
  2. Step 2: Convert to fraction form
    527,036.10/728,535.59 = 470,238.36/x
  3. Step 3: Cross multiply
    527,036.10x = 728,535.59 × 470,238.36
  4. Step 4: Simplify right side
    527,036.10x = 342,585,381,043.23
  5. Step 5: Solve for x
    x = 342,585,381,043.23/527,036.10
  6. Step 6: Final answer
    x = 650,022.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.