Home / 805,453.84-1,111,497.86-442,875.16

Finding the Fourth Proportional to 805,453.84, 1,111,497.86 and 442,875.16

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Solution

The fourth proportional to 805,453.84, 1,111,497.86 and 442,875.16 is: 611,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,453.84 : 1,111,497.86 = 442,875.16 : x
  2. Step 2: Convert to fraction form
    805,453.84/1,111,497.86 = 442,875.16/x
  3. Step 3: Cross multiply
    805,453.84x = 1,111,497.86 × 442,875.16
  4. Step 4: Simplify right side
    805,453.84x = 492,254,792,587.16
  5. Step 5: Solve for x
    x = 492,254,792,587.16/805,453.84
  6. Step 6: Final answer
    x = 611,152.08

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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.