Home / 826,569.49-1,238,671.27-470,848.45

Finding the Fourth Proportional to 826,569.49, 1,238,671.27 and 470,848.45

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Solution

The fourth proportional to 826,569.49, 1,238,671.27 and 470,848.45 is: 705,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,569.49 : 1,238,671.27 = 470,848.45 : x
  2. Step 2: Convert to fraction form
    826,569.49/1,238,671.27 = 470,848.45/x
  3. Step 3: Cross multiply
    826,569.49x = 1,238,671.27 × 470,848.45
  4. Step 4: Simplify right side
    826,569.49x = 583,226,447,539.03
  5. Step 5: Solve for x
    x = 583,226,447,539.03/826,569.49
  6. Step 6: Final answer
    x = 705,598.81

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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.