Home / 910,033.56-1,255,838.42-502,139.24

Finding the Fourth Proportional to 910,033.56, 1,255,838.42 and 502,139.24

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Solution

The fourth proportional to 910,033.56, 1,255,838.42 and 502,139.24 is: 692,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,033.56 : 1,255,838.42 = 502,139.24 : x
  2. Step 2: Convert to fraction form
    910,033.56/1,255,838.42 = 502,139.24/x
  3. Step 3: Cross multiply
    910,033.56x = 1,255,838.42 × 502,139.24
  4. Step 4: Simplify right side
    910,033.56x = 630,605,740,991.71
  5. Step 5: Solve for x
    x = 630,605,740,991.71/910,033.56
  6. Step 6: Final answer
    x = 692,947.79

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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.