Home / 716,590.38-1,075,070.25-514,420.86

Finding the Fourth Proportional to 716,590.38, 1,075,070.25 and 514,420.86

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Solution

The fourth proportional to 716,590.38, 1,075,070.25 and 514,420.86 is: 771,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,590.38 : 1,075,070.25 = 514,420.86 : x
  2. Step 2: Convert to fraction form
    716,590.38/1,075,070.25 = 514,420.86/x
  3. Step 3: Cross multiply
    716,590.38x = 1,075,070.25 × 514,420.86
  4. Step 4: Simplify right side
    716,590.38x = 553,038,562,565.42
  5. Step 5: Solve for x
    x = 553,038,562,565.42/716,590.38
  6. Step 6: Final answer
    x = 771,763.87

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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.