Home / 906,319.12-1,250,210.28-543,646.48

Finding the Fourth Proportional to 906,319.12, 1,250,210.28 and 543,646.48

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Solution

The fourth proportional to 906,319.12, 1,250,210.28 and 543,646.48 is: 749,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,319.12 : 1,250,210.28 = 543,646.48 : x
  2. Step 2: Convert to fraction form
    906,319.12/1,250,210.28 = 543,646.48/x
  3. Step 3: Cross multiply
    906,319.12x = 1,250,210.28 × 543,646.48
  4. Step 4: Simplify right side
    906,319.12x = 679,672,417,981.81
  5. Step 5: Solve for x
    x = 679,672,417,981.81/906,319.12
  6. Step 6: Final answer
    x = 749,926.16

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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.