Home / 708,534.08-1,063,030.64-424,180.16

Finding the Fourth Proportional to 708,534.08, 1,063,030.64 and 424,180.16

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Solution

The fourth proportional to 708,534.08, 1,063,030.64 and 424,180.16 is: 636,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,534.08 : 1,063,030.64 = 424,180.16 : x
  2. Step 2: Convert to fraction form
    708,534.08/1,063,030.64 = 424,180.16/x
  3. Step 3: Cross multiply
    708,534.08x = 1,063,030.64 × 424,180.16
  4. Step 4: Simplify right side
    708,534.08x = 450,916,506,960.10
  5. Step 5: Solve for x
    x = 450,916,506,960.10/708,534.08
  6. Step 6: Final answer
    x = 636,407.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.