Home / 707,045.16-975,742.86-384,776.04

Finding the Fourth Proportional to 707,045.16, 975,742.86 and 384,776.04

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Solution

The fourth proportional to 707,045.16, 975,742.86 and 384,776.04 is: 531,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,045.16 : 975,742.86 = 384,776.04 : x
  2. Step 2: Convert to fraction form
    707,045.16/975,742.86 = 384,776.04/x
  3. Step 3: Cross multiply
    707,045.16x = 975,742.86 × 384,776.04
  4. Step 4: Simplify right side
    707,045.16x = 375,442,473,729.07
  5. Step 5: Solve for x
    x = 375,442,473,729.07/707,045.16
  6. Step 6: Final answer
    x = 531,002.11

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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.