Home / 931,014.66-1,284,801.75-528,606.66

Finding the Fourth Proportional to 931,014.66, 1,284,801.75 and 528,606.66

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Solution

The fourth proportional to 931,014.66, 1,284,801.75 and 528,606.66 is: 729,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,014.66 : 1,284,801.75 = 528,606.66 : x
  2. Step 2: Convert to fraction form
    931,014.66/1,284,801.75 = 528,606.66/x
  3. Step 3: Cross multiply
    931,014.66x = 1,284,801.75 × 528,606.66
  4. Step 4: Simplify right side
    931,014.66x = 679,154,761,829.66
  5. Step 5: Solve for x
    x = 679,154,761,829.66/931,014.66
  6. Step 6: Final answer
    x = 729,478.05

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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.