Home / 1,111,547.50-1,533,915.38-628,102.24

Finding the Fourth Proportional to 1,111,547.50, 1,533,915.38 and 628,102.24

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Solution

The fourth proportional to 1,111,547.50, 1,533,915.38 and 628,102.24 is: 866,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,547.50 : 1,533,915.38 = 628,102.24 : x
  2. Step 2: Convert to fraction form
    1,111,547.50/1,533,915.38 = 628,102.24/x
  3. Step 3: Cross multiply
    1,111,547.50x = 1,533,915.38 × 628,102.24
  4. Step 4: Simplify right side
    1,111,547.50x = 963,455,683,883.92
  5. Step 5: Solve for x
    x = 963,455,683,883.92/1,111,547.50
  6. Step 6: Final answer
    x = 866,769.69

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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.