Home / 905,509.18-1,249,082.28-565,386.94

Finding the Fourth Proportional to 905,509.18, 1,249,082.28 and 565,386.94

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Solution

The fourth proportional to 905,509.18, 1,249,082.28 and 565,386.94 is: 779,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,509.18 : 1,249,082.28 = 565,386.94 : x
  2. Step 2: Convert to fraction form
    905,509.18/1,249,082.28 = 565,386.94/x
  3. Step 3: Cross multiply
    905,509.18x = 1,249,082.28 × 565,386.94
  4. Step 4: Simplify right side
    905,509.18x = 706,214,808,097.42
  5. Step 5: Solve for x
    x = 706,214,808,097.42/905,509.18
  6. Step 6: Final answer
    x = 779,909.05

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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.