Home / 719,252.19-992,574.95-396,955.35

Finding the Fourth Proportional to 719,252.19, 992,574.95 and 396,955.35

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Solution

The fourth proportional to 719,252.19, 992,574.95 and 396,955.35 is: 547,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,252.19 : 992,574.95 = 396,955.35 : x
  2. Step 2: Convert to fraction form
    719,252.19/992,574.95 = 396,955.35/x
  3. Step 3: Cross multiply
    719,252.19x = 992,574.95 × 396,955.35
  4. Step 4: Simplify right side
    719,252.19x = 394,007,934,693.71
  5. Step 5: Solve for x
    x = 394,007,934,693.71/719,252.19
  6. Step 6: Final answer
    x = 547,802.20

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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.