Home / 734,139.96-1,013,547.44-462,440.76

Finding the Fourth Proportional to 734,139.96, 1,013,547.44 and 462,440.76

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Solution

The fourth proportional to 734,139.96, 1,013,547.44 and 462,440.76 is: 638,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,139.96 : 1,013,547.44 = 462,440.76 : x
  2. Step 2: Convert to fraction form
    734,139.96/1,013,547.44 = 462,440.76/x
  3. Step 3: Cross multiply
    734,139.96x = 1,013,547.44 × 462,440.76
  4. Step 4: Simplify right side
    734,139.96x = 468,705,648,449.65
  5. Step 5: Solve for x
    x = 468,705,648,449.65/734,139.96
  6. Step 6: Final answer
    x = 638,441.81

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Double scale
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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.