Home / 1,134,420.48-1,565,480.18-618,178.93

Finding the Fourth Proportional to 1,134,420.48, 1,565,480.18 and 618,178.93

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Solution

The fourth proportional to 1,134,420.48, 1,565,480.18 and 618,178.93 is: 853,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,420.48 : 1,565,480.18 = 618,178.93 : x
  2. Step 2: Convert to fraction form
    1,134,420.48/1,565,480.18 = 618,178.93/x
  3. Step 3: Cross multiply
    1,134,420.48x = 1,565,480.18 × 618,178.93
  4. Step 4: Simplify right side
    1,134,420.48x = 967,746,860,240.35
  5. Step 5: Solve for x
    x = 967,746,860,240.35/1,134,420.48
  6. Step 6: Final answer
    x = 853,075.98

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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.