Home / 885,264.40-1,326,312.60-538,416.40

Finding the Fourth Proportional to 885,264.40, 1,326,312.60 and 538,416.40

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Solution

The fourth proportional to 885,264.40, 1,326,312.60 and 538,416.40 is: 806,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,264.40 : 1,326,312.60 = 538,416.40 : x
  2. Step 2: Convert to fraction form
    885,264.40/1,326,312.60 = 538,416.40/x
  3. Step 3: Cross multiply
    885,264.40x = 1,326,312.60 × 538,416.40
  4. Step 4: Simplify right side
    885,264.40x = 714,108,455,366.64
  5. Step 5: Solve for x
    x = 714,108,455,366.64/885,264.40
  6. Step 6: Final answer
    x = 806,661.21

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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.