Home / 915,233.12-1,263,068.06-527,904.48

Finding the Fourth Proportional to 915,233.12, 1,263,068.06 and 527,904.48

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Solution

The fourth proportional to 915,233.12, 1,263,068.06 and 527,904.48 is: 728,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,233.12 : 1,263,068.06 = 527,904.48 : x
  2. Step 2: Convert to fraction form
    915,233.12/1,263,068.06 = 527,904.48/x
  3. Step 3: Cross multiply
    915,233.12x = 1,263,068.06 × 527,904.48
  4. Step 4: Simplify right side
    915,233.12x = 666,779,284,779.39
  5. Step 5: Solve for x
    x = 666,779,284,779.39/915,233.12
  6. Step 6: Final answer
    x = 728,534.92

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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.