Home / 926,896.16-1,390,869.76-500,426.32

Finding the Fourth Proportional to 926,896.16, 1,390,869.76 and 500,426.32

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Solution

The fourth proportional to 926,896.16, 1,390,869.76 and 500,426.32 is: 750,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,896.16 : 1,390,869.76 = 500,426.32 : x
  2. Step 2: Convert to fraction form
    926,896.16/1,390,869.76 = 500,426.32/x
  3. Step 3: Cross multiply
    926,896.16x = 1,390,869.76 × 500,426.32
  4. Step 4: Simplify right side
    926,896.16x = 696,027,835,596.08
  5. Step 5: Solve for x
    x = 696,027,835,596.08/926,896.16
  6. Step 6: Final answer
    x = 750,923.21

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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.