Home / 761,671.90-1,051,066.74-439,362.76

Finding the Fourth Proportional to 761,671.90, 1,051,066.74 and 439,362.76

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Solution

The fourth proportional to 761,671.90, 1,051,066.74 and 439,362.76 is: 606,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,671.90 : 1,051,066.74 = 439,362.76 : x
  2. Step 2: Convert to fraction form
    761,671.90/1,051,066.74 = 439,362.76/x
  3. Step 3: Cross multiply
    761,671.90x = 1,051,066.74 × 439,362.76
  4. Step 4: Simplify right side
    761,671.90x = 461,799,583,830.60
  5. Step 5: Solve for x
    x = 461,799,583,830.60/761,671.90
  6. Step 6: Final answer
    x = 606,297.26

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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.