Home / 771,950.55-1,065,280.08-432,430.95

Finding the Fourth Proportional to 771,950.55, 1,065,280.08 and 432,430.95

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Solution

The fourth proportional to 771,950.55, 1,065,280.08 and 432,430.95 is: 596,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,950.55 : 1,065,280.08 = 432,430.95 : x
  2. Step 2: Convert to fraction form
    771,950.55/1,065,280.08 = 432,430.95/x
  3. Step 3: Cross multiply
    771,950.55x = 1,065,280.08 × 432,430.95
  4. Step 4: Simplify right side
    771,950.55x = 460,660,077,010.48
  5. Step 5: Solve for x
    x = 460,660,077,010.48/771,950.55
  6. Step 6: Final answer
    x = 596,748.17

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Double scale
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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.