Home / 912,031.05-1,258,727.94-524,838.50

Finding the Fourth Proportional to 912,031.05, 1,258,727.94 and 524,838.50

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Solution

The fourth proportional to 912,031.05, 1,258,727.94 and 524,838.50 is: 724,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,031.05 : 1,258,727.94 = 524,838.50 : x
  2. Step 2: Convert to fraction form
    912,031.05/1,258,727.94 = 524,838.50/x
  3. Step 3: Cross multiply
    912,031.05x = 1,258,727.94 × 524,838.50
  4. Step 4: Simplify right side
    912,031.05x = 660,628,882,364.28
  5. Step 5: Solve for x
    x = 660,628,882,364.28/912,031.05
  6. Step 6: Final answer
    x = 724,349.11

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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.