Home / 909,698.40-1,364,547.60-555,404.40

Finding the Fourth Proportional to 909,698.40, 1,364,547.60 and 555,404.40

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Solution

The fourth proportional to 909,698.40, 1,364,547.60 and 555,404.40 is: 833,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,698.40 : 1,364,547.60 = 555,404.40 : x
  2. Step 2: Convert to fraction form
    909,698.40/1,364,547.60 = 555,404.40/x
  3. Step 3: Cross multiply
    909,698.40x = 1,364,547.60 × 555,404.40
  4. Step 4: Simplify right side
    909,698.40x = 757,875,741,049.44
  5. Step 5: Solve for x
    x = 757,875,741,049.44/909,698.40
  6. Step 6: Final answer
    x = 833,106.60

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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.