Home / 1,030,053.78-1,421,448.75-571,170.15

Finding the Fourth Proportional to 1,030,053.78, 1,421,448.75 and 571,170.15

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Solution

The fourth proportional to 1,030,053.78, 1,421,448.75 and 571,170.15 is: 788,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,053.78 : 1,421,448.75 = 571,170.15 : x
  2. Step 2: Convert to fraction form
    1,030,053.78/1,421,448.75 = 571,170.15/x
  3. Step 3: Cross multiply
    1,030,053.78x = 1,421,448.75 × 571,170.15
  4. Step 4: Simplify right side
    1,030,053.78x = 811,889,095,754.81
  5. Step 5: Solve for x
    x = 811,889,095,754.81/1,030,053.78
  6. Step 6: Final answer
    x = 788,200.69

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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.