Home / 909,698.10-1,364,547.06-510,619.20

Finding the Fourth Proportional to 909,698.10, 1,364,547.06 and 510,619.20

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Solution

The fourth proportional to 909,698.10, 1,364,547.06 and 510,619.20 is: 765,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,698.10 : 1,364,547.06 = 510,619.20 : x
  2. Step 2: Convert to fraction form
    909,698.10/1,364,547.06 = 510,619.20/x
  3. Step 3: Cross multiply
    909,698.10x = 1,364,547.06 × 510,619.20
  4. Step 4: Simplify right side
    909,698.10x = 696,763,928,139.55
  5. Step 5: Solve for x
    x = 696,763,928,139.55/909,698.10
  6. Step 6: Final answer
    x = 765,928.75

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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.