Home / 742,068.24-1,024,047-402,536.40

Finding the Fourth Proportional to 742,068.24, 1,024,047 and 402,536.40

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Solution

The fourth proportional to 742,068.24, 1,024,047 and 402,536.40 is: 555,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,068.24 : 1,024,047 = 402,536.40 : x
  2. Step 2: Convert to fraction form
    742,068.24/1,024,047 = 402,536.40/x
  3. Step 3: Cross multiply
    742,068.24x = 1,024,047 × 402,536.40
  4. Step 4: Simplify right side
    742,068.24x = 412,216,192,810.80
  5. Step 5: Solve for x
    x = 412,216,192,810.80/742,068.24
  6. Step 6: Final answer
    x = 555,496.34

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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.