Home / 674,971.41-931,555.65-413,482.75

Finding the Fourth Proportional to 674,971.41, 931,555.65 and 413,482.75

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Solution

The fourth proportional to 674,971.41, 931,555.65 and 413,482.75 is: 570,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,971.41 : 931,555.65 = 413,482.75 : x
  2. Step 2: Convert to fraction form
    674,971.41/931,555.65 = 413,482.75/x
  3. Step 3: Cross multiply
    674,971.41x = 931,555.65 × 413,482.75
  4. Step 4: Simplify right side
    674,971.41x = 385,182,191,940.04
  5. Step 5: Solve for x
    x = 385,182,191,940.04/674,971.41
  6. Step 6: Final answer
    x = 570,664.46

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Half scale
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Double scale
Find fourth proportional to 674,972.41, 931,557.03 and 413,483.75
Similar ratio
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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.